Cambodia is currently ranked as “not free” by the US-based Freedom House, and is ranked 141 of 196 countries by the organization.
Adhoc received more than 200 land dispute cases in 2010, accounting for more than 300 victims.
Sam Rainsy told reporters Sunday he planned a larger demonstration soon.
The Cambodian authorities have banned a public screening of the film, calling it illegal.
The US watchdog Freedom House ranked Cambodia “not free” for 2010, for persecution of and restrictions on journalists.
Sam Rainsy, who lives in exile abroad, is now facing 14 years in jail sentences from a series of criminal suits.
Ouk Seng said Thursday she had made up the allegations because she wanted to return home to her children.
The groups met in Phnom Penh to discuss development plans, foreign aid pledges and Cambodia’s development needs for 2012.
Mam Sonando, director of the independent Beehive radio station, said it has become harder to gain listeners.
Mang Monika will present the findings of the project to the Appeals Court in a meeting Wednesday.
Mu Sochua said women in Cambodia need to participate more in politics, in both grassroots and upper political leadership.
Thai media reports preliminary dam construction has begun well before official clearance by the Mekong River Commission.