Perhaps you should try some spelling variations:
gene yang » gene bank
hua gene » human gene, a gene, hua ren
yang jui » yang judy, yang di, yang xi
wong siu » wong shiu, kong siu, wong sau
wan yan » wang yan, nan yan, wai yan
yan tan » tan tan, yan clan, yan guan
tan hua » tuan hua, wang hua, tan chia
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: wan yan tan hua gene yang jui ((won sau) or (wong siu)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wan yan tan hua gene yang jui ((won sau) OR (wong siu)) ;*.