Perhaps you should try some spelling variations:
tuan china » wuhan china, can china, taiwan china
wang wang » wang yang, wang liang, wang yong
china tan » china top, china two, china taiwan
tan yang » dan yang, tan ying, tan yong
yang jui » yang judy, yang di, yang xi
wong sau » wong siu, wong shiu, wong lai
wong sam » wong lai, kong sar, von sam

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 wang) OR (wang yan)) tuan china tan yang jui ((wong sau) OR (wong sam)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang wang) or (wang yan)) tuan china tan yang jui ((wong sau) OR (wong sam)) ;~".
• Adding a wildcard symbol may retrieve word variants: ((wang wang) or (wang yan)) tuan china tan yang jui ((wong sau) OR (wong sam)) ;*.