Perhaps you should try some spelling variations:
wang fan » wang yan, yang fan, wang ban
fan ying » fan xing, ran ying, tan ying
ying hua » ming hua, wang hua, ying zhu
hua gene » human gene, a gene, hua ren
yang jie » yang jin, yang di, yang jui
wong sam » wong lai, von sam, wong max
wong sau » wong siu, wong shiu, wong lai
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: wang fan ying hua gene ((yan jiu) or (yang jie)) ((((wong sam) or (kong sar))) or (wong sau)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang fan ying hua gene ((yan jiu) OR (yang jie)) ((((wong sam) OR (kong sar))) OR (wong sau)) ;.
• Adding a wildcard symbol may retrieve word variants: wang fan ying hua gene ((yan jiu) or (yang jie)) ((((wong sam) or (kong sar))) or (wong sau)) ;*.