Perhaps you should try some spelling variations:
wang oanh » wang yan, wang yang, dang anh
oanh tran » anh tran, anh tuan, binh tran
hua irene » hua ren
kong saur » kong sar, kong siu, kong your
hua chen » jui chen, yu chen, a chen
yang jin » yang jie, yang jun, ying jin
song sam » wong sam, kong sar, song pae

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: wang oanh tran ((hua irene) OR (hua chen)) yang jin ((song sam) OR (kong saur)) ;~.
• Adding a wildcard symbol may retrieve word variants: wang oanh tran ((hua irene) or (hua chen)) yang jin ((song sam) or (kong saur)) ;*.