Perhaps you should try some spelling variations:
yuan wang » yan wang, yuan kang, yuan chang
ian wang » qian wang, yan wang, von wang
hua gene » human gene, a gene, hua ren
yang jie » yang jin, yang di, yang jui
wong sam » wong sau, wong lai, kong sar
wong siu » wong shiu, kong siu, wong sau
yan jiu » yang jin, pang jiu

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

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