The BBC is currently doing a several part series on Human Trafficking which highlights various forms of trafficking children around the world. It looks interesting and, unlike many reports, does no focus solely on sex trafficking or sex tourism. Moreover, one of the children highlighted is a Cambodian girl. More info here: http://news.bbc.co.uk/2/hi/programmes/this_world/6446051.stm (Bill III, thanks for the pointing me in the direction of the article)
Also more information (including the write up of the Cambodian girl’s story) can be found here: http://ovcs.blogspot.com/2007/03/my-life-as-child-prostitute.html This blog is dedicated to orphans and vulnerable children. It has some interesting articles.