Not much about Cambodians can be found, though some findings about Cambodian in general may inspire you?
Parental styles in the intergenerational transmission of trauma stemming from the Khmer Rouge regime in Cambodia. Field NP, Muong S, Sochanvimean V.Am J Orthopsychiatry. 2013 Oct;83(4):483-94. doi: 10.1111/ajop.12057.
Ethn Health. 2014 Jun 6:1-15. Protecting our Khmer daughters: ghosts of the past, uncertain futures, and the human papillomavirus vaccine.
Burke NJ1, Do HH, Talbot J, Sos C, Ros S, Taylor VM.
Can vouchers deliver? An evaluation of subsidies for maternal health care in Cambodia. Van de Poel E, Flores G, Ir P, O'Donnell O, Van Doorslaer E. Bull World Health Organ. 2014 May 1;92(5):331-9. doi: 10.2471/BLT.13.129122. Epub 2014 Mar 17.
Douching practices among female sex workers in Phnom Penh, Cambodia. Bui TC, Tran LT, Ross MW, Markham CM. Int J STD AIDS. 2014 May 8
Understanding alcohol use among U.S. Cambodians: how useful is the concept of cultural norms? Pagano A, Lee JP, Sin T. Subst Use Misuse. 2014 Jun;49(8):999-1006. doi: 10.3109/10826084.2013.855233.
Comorbid Mental and Physical Health and Health Access in Cambodian Refugees in the US. Berthold SM, Kong S, Mollica RF, Kuoch T, Scully M, Franke T.J Community Health. 2014 Mar 21.
Labor migration and mental health in Cambodia: a qualitative study. Meyer SR, Robinson WC, Chhim S, Bass JK. J Nerv Ment Dis. 2014 Mar;202(3):200-8. doi: 10.1097/NMD.0000000000000101.