Families say they were pushed from 352 hectares of land and forced to relocate to Preah Sihanouk province.
The UN agency said nearly three in four children at orphanages have at least one parent.
The Cambodian Student Society of California State University started in 1959 by a group of Cambodian exchange students.
Earlier this week, UNICEF said most of the 12,000 children in Cambodia’s orphanages are, in fact, not orphans.
Kho Tararith, who is participating in a one-year fellowship at the university, says he loves to write short stories and poems.
So far, the March 11 disaster has killed more than 9,000 people.
Phnom Penh has around 5,000 families in slum areas with free access to safe water.
The Freedom-to-Write program began 20 years ago, after the Chinese government crushed a student revolt at Tiananmen Square in Beijing.
Recruitment firms have sprung up across the country in the past year, convincing young women to take jobs as domestic help in Malaysia.
More than 200 Cambodian students in Japan experienced the quake, and Facebook became a main source of information for them.
Cambodian officials say they expect to begin initiating a 2009 law in April to bring the country in line with international standards.
Some callers to Monday night’s 'Hello VOA' program pointed to weak law enforcement and corrupt police.
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