- Strengthen training capacity in primary health care. 2001-2004
- Strengthen training capacity in social and behavioural science. 2001-2003
- Developing Maternal Child Health Care for the new curriculum of Master of Public Health (MPH) training in Hanoi School of Public Health. 1998-2000.
- Strengthening primary health care management capacity for district health workers in peripherial level in Vietnam. 1998-2000.
- Private Health Sector. 1998
- Rational Drug use in Vietnam. 1998
- Situation analysis in Reproductive health sector in Vietnam. 1999-2000
- Training Need Assessment of Health Economic for Health planners and managers. 1999
- Sexual Maturation and Menstruation Practice: the Vietnam case study. 2000
- Knowledge – Attitude – Practice (KAP) assessment about low-birth weight infant. Đề tài nghiên cứu khoa học cấp cơ sở. ĐHYTCC 2001-2002
- Evaluation of Communication Campaign on Oral Contraceptive IDEAL. 2001-2002
- Application of DALYs in measure and assess burden of some diseases in Chililab, Hai Duong, Viet Nam. 2003-2007
- Community-based intervention to improve early detection of ectopic pregnancy in Chi Linh, Hai Duong. 2005-2007
- Strengthening public health training capacities at the Hanoi School of Public Health 2006-2012. 2006-2012
- Research project HEPVIC - Maternal Health policy in India, China and Vietnam. 2006-2008
- Research Project HESVIC - Stewardship and governance in maternal health care in Vietnam, India and China. 2009-2012
- Health Education Reform in 5 Asian countries: Vietnam, Thailand, India, China and Bangladesh. 2012-2014
- Review of Reproductive Health Researches in Vietnam 2006 – 2010. 2011-2012
- Implementing knowledge into practice for improved neonatal survival; a community-based trial in Quang Ninh province, Vietnam (NeoKIP). 2008-2011.
- Partnering with Schools of Public Health to enhance Public Health capacity for HIV prevention and care activities in Vietnam. 2005-2011.
- Review of Reproductive Health Researches for Ethnic Minorities in Vietnam 2000 – 2007. 2008
- Review of Reproductive Health Researches in Vietnam 2000 – 2005. 2006
- From Scandal to Beliefs: Understanding Sexual Beliefs and Attitudes of Vietnam Yahoo Bloggers. 2008-2009
- Sex ratio at birth: Son or daughter. What is the ideal family in the Chi Linh district in Viet Nam. 2011-2012
- Political Economy of Universal Health Insurance Processes in Vietnam. 2012-2013
- Need assessment and design a cost-effectiveness intervention strategy on safe motherhood for UNFPA- supported provinces for the period 2012-2016. 2012-2013
- Gender equity in reproductive health and its related factors in 8 provinces in the North Centre Coast region in Vietnam. 2013-2014
- Reproductive health of migrant workers in industrial sectors Vietnam. 2013-2015
- Improving neonatal health in remote rural areas in China and Vietnam. 2014-2015
- Improving acceptability of ethnic minority midwives (EMMs) by local community and health system in mountainous provinces in Vietnam. 2014-2015
- The relationship between Violence against women andHIV/AIDS. 2011
- Review in Skilled birth attendance in Vietnam. 2009
- Adolescent health: A baseline of the longitudical study in Chi Linh, Hai Duong. 2008
- Situation of domestic violence against women in An Hai, Hai Phong. 2006
- Assessment of public health functions in Vietnam. 2006
- Interaction between health professional and clients in family planing clinnic. 2005
- Myths and misconceptions about infertility in Vietnam. 2005
- Traditional postpartum practices among Vietnamese mothers: A study in An Thi district, Hung Yen province. 2004
- Women trafficking and Violent against women in Thailand. 2003
- Male' involvement in family planning in rural area of Vietnam. 2000-2002
- Situation of placenta previa among mothers who delivered in Institute of Maternal and Newborn protection during 1999 - 2000. 2000
