1. Xây dựng hệ thống thông tin trực tuyến cho người chăm sóc bệnh nhân ung thư tại Việt Nam (Development of online supporting system for carers of cancer patients in Vietnam) (Queens' University Belfast, UK), 2018-20
  2. Nghiên cứu về Người chăm sóc và phục hồi chức năng cho nạn nhân chất độc hóa học Dioxin tại Thái Bình (2019-2020). 
  3. Quản lý tăng huyết áp, đái tháo đường theo nguyên lý y học gia đình tại trạm y tế xã: triển khai tại Vĩnh Phúc, Lào Cai, Yên Bái (TCYTTG) 2018-2020 (Management of hypertention and diabetes based on family medicine principle in commune health centers - WHO)
  4. Evaluation of two techniques for viral load monitoring using DBS in routine practice in Vietnam (ANRS 12338) (MOVIDA study)      
  5. Nghiên cứu về nguy cơ đái tháo đường của người dân từ 45 tuổi trở lên tại phường Đức Thắng, quận Bắc Từ Liêm, Hà nội (2018-2019) (ĐH YTCC). Risk assessment for diabetes among people aged from 45 years old and over in Duc Thang ward, Bac Tu Liem district, Hanoi (2018-2019). 
  6. Đánh giá nhu cầu đào tạo cử nhân Phục hồi chức năng tại Việt Nam, 2019 (ĐH YTCC). Training needs assessment for the bachelor in rehabilitation techniques in Vietnam (Hanoi University of Public Health, 2019).
  7. Chăm sóc sức khỏe và phục hồi chức năng đối với nạn nhân chất độc hóa học/dioxin giai đoạn 2018-2021. (BYT) (Health care and rehabilitation for chemical toxic victims/ dioxin in the period 2018-2021 (Ministry of Health)
  8. Bedside to Community Study: Understanding the Disengagement of HIV patients at Outpatient Clinics: 2015-2017. NIH project.
  9. Using a Gender Lens to Improve Service Acceptability of Key Populations I a Concentrated Epidemic Proposed Focus In Vietnam: PWID and Female Sexual Partner 2017-2018. Tulane University.
  10. Validation of Palliative Outcome Care for People with Severe Conditions in Vietnam 2016-2017, in collaboration with Harvard Medical School, Harvard University, 2015.
  11. Assessment on Hospital-based Event-based Surveillance (HEBS) reporting in Viet Nam, World Health Organization (WHO), 2016.
  12. Review of Community-based HIV Testing and Counselling Pilot in Vietnam 2016, WHO.
  13. Evaluation on the program on the Amphetamine type stimulants (ATS), the use and risk factors on HIV/AIDS transmission among female sex workers in Hanoi, 2013. MOH - VAAC.
  14. Amphetamine type stimulants (ATS) use among high risk groups in Vietnam, 2011, UNODC.
  15. Capacity building for HIV/AIDS Prevention and Control in Mekong Delta Region, 2014-2016, Asian Development Bank (ADB) - funded project – in cooperation with Vietnam Authority of AIDS Control (VAAC) and Hanoi University of Public Health, Vietnam.
  16. Assessment on the Implementation of Law on Tobacco Control in Hanoi in 2015, 2015-2016. Hanoi Department of Health
  17. Assessment on training needs on HIV/AIDS in medical schools in Vietnam 2015. Vietnam Authority of AIDS Control (VAAC).
  18. Assessment on the needs of training and human resources in HIV/AIDS in 15 provinces of Vietnam, 2014-2015. ADB funded project.
  19. Health system stewardship in Vietnam, India and China, HESVIC capacity building multi-national study on reproductive health policies, 2010-2012 European Committee funding project
  20. Endline Evaluation of Domestic Violence and Sex Ratio at Birth in Hai Duong and Ben Tre provinces: 2016. UNFPA
  21. Intervention study on the promotion of awareness, attitudes, practices on HIV/AIDS and voluntary HIV testing and counselling in Red Star University, Chi Linh district, Hai Duong province, 2011-2013. Hanoi University of Public Health.
  22. Mid-term review on the HAARP (HIV/AIDS Asia Regional Project in Vietnam), 2012.
  23. Training needs assessment on the continuing medical education (CME) in Vietnam 2012, CDC
  24. Evaluation on the response of Vietnam Women Union to HIV/AIDS prevention and control: 2011-2012, UNFPA
  25. Approaches to male clients of female sex workers in Hanoi, 2011. FHI.
  26. Qualitative evaluation of the Impact of HIV Prevention Programming Among IDU in North Western Vietnam: 2011, Abt Associates.
  27. Rapid program review on national public health program addressing Adolescent and Youth Health, 2011. WHO.
  28. Evaluation on the use of existing data for program monitoring, evaluation and performance improvement of continuum of prevention and care for HIV patients in Thanh Hoa province, 2010. WHO.
  29. Interventions to increase knowledge on HIV/AIDS and HIV Voluntary Counselling and Testing in a voluntary university in Chi Linh, Hai Duong, 2010-2011, Hanoi School of Public Health.
  30. HIV/AIDS Risks and Risk Environment among Injection Drug Users in an Urbanizing Province in Vietnam: A Situation Assessment, 2008, Hanoi School of Public Health.
  31. Culture, Risk and Blood-borne Viral Infections Among Ethnic Vietnamese Injecting Drug Users in Sydney: 2002-2005, University of New South Wales, Australia.