Some of those same NGOs have given their support to a highly public land dispute over a development project at Boeung Kak lake.
Villagers say their livelihoods there are being threatened by continuous government concessions to private rubber and other companies.
Human trafficking is estimated to be worth millions of dollars to criminal gangs across the region.
To help decrease the risk, a person should avoid excessive weight gain, alcohol use and smoking.
More than 100 villagers from rural areas detained by authorities in Phnom Penh after handing out leaflets detailing land concessions.
A weak recovery to the global economic crisis in 2008 has not helped.
Defense remains a priority sector for spending, garnering $304 million in 2011, when it also saw an increase.
The titling came at the order of Prime Minister Hun Sen, following a threat by the World Bank that it would suspend funding.
Cambodia's civil servants have long relied on facilitation fees, because their salaries are typically around $50 a month.
The garment sector provides around 300,000 jobs and more than $2 billion a year in exports.
Up to 774 million adults lack functional literacy worldwide, according to the UN agency.
The collection spurred a conference on the conservation of art, brief courses on Cambodian culture, art, religion and food.