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 lin » yang jin, wang lin, yang li
tang min » chang min, yang mind, tang li
wong sau » wong sam, wong siu, wong shiu
lin liu » liu liu, lili liu, lin ling
sar » sara, star, saur

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 lin liu ((tang min) OR (sang minh)) ((wong sau) OR (kong sar)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yong yang lin liu ((tang min) OR (sang minh)) ((wong sau) or (kong sar)) ;~".
• Adding a wildcard symbol may retrieve word variants: wang yong yang lin liu ((tang min) OR (sang minh)) ((wong sau) or (kong sar)) ;*.