"Me and my friends are buying up water and food and basically staying at home until all this is over. We can't afford to go back," one Vietnamese man said.
"Vietnamese are frightened -- really scared -- that all this racist nonsense might turn ugly," he said.
He added some had sold their homes before leaving for Vietnam and may not return, while another Vietnamese man said: "If FUNCINPEC wins, all Vietnamese will leave Cambodia."
And the capital's more notorious karaoke bars are reporting an absence of Vietnamese sex workers.
"My friends tell me that Vietnamese girls are heading home and will come back to Cambodia only if Hun Sen wins," said a 28-year-old Vietnamese woman living in an area where karaoke bars are plentiful. "Some won't come back."
Another Vietnamese man said each day he listened to a radio station owned by Ranariddh and was angered by the prince's anti-Vietnamese rhetoric.
He wanted to pay the US$10 fare to join his friends on motorbikes and leave the country.
"But I don't have enough money to pay for the trip," he said.
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