Perhaps you should try some spelling variations:
wang yong » wang yang, wang hyoung, wang yan
yong yang » yang yang, dong yang, ying yang
sang minh » kang minah, anh minh, song min
yang liu » yang li, yang lin, yang di
tang min » chang min, yang mind, tang li
wong sau » wong sam, wong siu, wong shiu
von sam » von sa, von sap, von scham

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 yang liu lili ((sang minh) OR (tang min)) ((wong sau) OR (von sam)) ;~.
• Adding a wildcard symbol may retrieve word variants: wang yong yang liu lili ((sang minh) or (tang min)) ((wong sau) or (von sam)) ;*.