Perhaps you should try some spelling variations:
wang yao » wang yan, gang yao, wang tao
yang yao » yang yang, wang yan, yang yi
tang min » chang min, sang minh, yang mind
wong siu » wong shiu, kong siu, wong sau
yang xi » yang di, yang yi, yang jui
wu tang » wu kang, wu guang
xi wu » yi wu, li wu, xi bu

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 yao) OR (yang yao)) yang xi wu tang min ((wong siu) OR (cong shu)) ;~.
• Adding a wildcard symbol may retrieve word variants: ((wang yao) or (yang yao)) yang xi wu tang min ((wong siu) or (cong shu)) ;*.