Perhaps you should try some spelling variations:
wang yong » wang yang, wang hyoung, wang yan
tan chia » tuan china, than china, can china
wong sau » wong sam, wong siu, wong shiu
yan hua » tan hua, ya hua, wang hua
yan jiu » yang jie, yang jin, pang jiu
yang xi » yang di, yang yi, yang jui
won sau » wong sam, wong siu

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: wang yong ((yan hua) or (tan chia)) gene ((yan jiu) or (yang xi)) ((won sau) or (wong sau)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yong ((yan hua) OR (tan chia)) gene ((yan jiu) OR (yang xi)) ((won sau) OR (wong sau)) ;.
• Adding a wildcard symbol may retrieve word variants: wang yong ((yan hua) or (tan chia)) gene ((yan jiu) or (yang xi)) ((won sau) or (wong sau)) ;*.