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
tran hua » tan hua, tuan hua, tran duc
yang jin » yang jie, yang jun, ying jin
song sam » wong sam, song pae, song so
sar » sara, star, saur

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 yang jin ((song sam) OR (kong sar)) ;~.
• Adding a wildcard symbol may retrieve word variants: wang oanh tran hua irene yang jin ((song sam) or (kong sar)) ;*.