1980: Participated in ‘Preliminarily survey in several physical development constants of full-term infants, Institute of Maternal and Child Protection, 1980"  at the Institute of Maternal and Infant Protection.

1982: Sponsor of topic ‘Perinatal mortality 1982 at Institute of Maternal and Infant Protection’

1985: ‘Perinatal mortality in 5 years from 1981 to 1985 at Institute of Maternal and Infant Protection’

1989: Sponsor of topic: ‘Neonatal mortality 1989 at Institute of Maternal and Infant Protection’

1998: Sponsor of topic: ‘Neonatal mortality 1998 at Institute of Maternal and Infant Protection’ and participant of ‘Epidemiology of congenital malformations in infants at Institute of Maternal and Infant Protection from 1995 to 1998 "

1999: Sponsor of topic ‘Neonatal purulent meningitis situation at Institute of Maternal and Infant Protection from 1998 to 1999’

2000: Participated in ‘Neonatal anterior fontanelle sonography at Institute of Maternal and Infant Protection in 2000’, and sponsor of topic ‘perinatal mortality in 3 years from 1998 to 2000 at Institute of Maternal and Infant Protection’

2006: Research on renal and urinary tract malformations in infants from 1999 to 2004’

2003: Sponsor of topic: ‘"Clinical study of early neonatal sepsis and some related factors (Second Degree Specialty’s thesis, 2003)" at Hanoi University of Medicine

2005: Sponsor of topic: ‘Initial assessment of Surfactant therapy for preterm infants with respiratory distress at National Hospital of Obstetrics and Gynecology in 2005’

2007: Sponsor of topic: ‘Epidemiology of congenital malformations at National Hospital of Obstetrics and Gynecology from 2006 to 2007’

2008: Sponsor of topic: ‘Application of INSURE (Intubation-Surfactant-Extubation) method in treatment of respiratory distress in infants in 2008’

2009: Sponsor of topic: ‘Infant’s pathological model at National Hospital of Obstetrics and Gynecology in 2009’

2010: Sponsor of topic: ‘"Initial assessment of the implementation of treatment for retinopathy of prematurity at National Hospital of Obstetrics and Gynecology in 2010’