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 jie » yang jin, yang di, yang jui
wong sam » wong sau, wong lai, kong sar
shang » zhang, chang, sheng

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang oanh tran hua irene ((shang jin) or (yang jie)) wong sam ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang oanh tran hua irene ((shang jin) OR (yang jie)) wong sam ;.
• Adding a wildcard symbol may retrieve word variants: wang oanh tran hua irene ((shang jin) or (yang jie)) wong sam ;*.