Perhaps you should try some spelling variations:
wang dong » wang yong, wang hong, wang yang
yang hua » wang hua, yang hui, ying hua
yang jin » yang jie, yang jun, ying jin
yang jui » yang judy, yang di, yang yi
wong siu » wong shiu, kong siu, wong sau
yang xi » yang di, yang yi
won sau » wong sau, wong sam

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang dong ((yang hua) or (yang xi)) gene ((yang jin) or (yang jui)) ((won sau) OR (wong siu)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang dong ((yang hua) OR (yang xi)) gene ((yang jin) OR (yang jui)) ((won sau) OR (wong siu)) ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang dong ((yang hua) or (yang xi)) gene ((yang jin) or (yang jui)) ((won sau) OR (wong siu)) ;".
• Adding a wildcard symbol may retrieve word variants: wang dong ((yang hua) or (yang xi)) gene ((yang jin) or (yang jui)) ((won sau) OR (wong siu)) ;*.