Perhaps you should try some spelling variations:
wang yong » wang yang, wang hyoung, wang yan
sang minh » kang minah, anh minh, song min
wang lin » wang li, wang qin, yang lin
yang jun » yang jui, pang jun, yang jin
kong eiu » tonga eiu
wong sau » wong sam, wong siu, wong shiu
xu sang » du sang, xu gang

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 yong ((wang lin) OR (yang jun)) xu sang minh ((kong eiu) OR (wong sau)) ;~.
• Adding a wildcard symbol may retrieve word variants: wang yong ((wang lin) or (yang jun)) xu sang minh ((kong eiu) or (wong sau)) ;*.