Perhaps you should try some spelling variations:
wang oanh » wang yan, wang yang, dang anh
oanh tran » anh tran, anh tuan, binh tran
chen rong » chen yang
rong john » wrong john, kong john, wong john
john wong » john song, john bonn
tran hua » tan hua, tuan hua, tran duc
hua chen » jui chen, yu chen, a chen
wong sam » wong sau, wong lai, kong sar

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 chen rong john wong sam ;~.
• Adding a wildcard symbol may retrieve word variants: wang oanh tran hua chen rong john wong sam ;*.