Perhaps you should try some spelling variations:
wang oanh » wang yan, wang yang, dang anh
yang john » young john, king john, yang jin
oanh tan » oanh tran, anh tran, anh tuan
hua chen » jui chen, yu chen, a chen
yang jie » yang jin, yang di, yang jui
wong sau » wong sam, wong siu, wong shiu
tan hua » tuan hua, wang hua, tan chia

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 tan hua chen ((yang john) or (yang jie)) wong sau ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang oanh tan hua chen ((yang john) OR (yang jie)) wong sau ;.
• Adding a wildcard symbol may retrieve word variants: wang oanh tan hua chen ((yang john) or (yang jie)) wong sau ;*.