Perhaps you should try some spelling variations:
yang hua » wang hua, yang hui, yang jui
ying hua » ming hua, wang hua, ying zhu
yang jin » yang jie, yang jun, ying jin
wong sau » wong sam, wong siu, wong shiu
kong siu » kong eiu, wong siu, dong sin
yan jiu » yang jie, pang jiu
wang » wing, wan, lang

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

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