Perhaps you should try some spelling variations:
gene yang » gene bank
hua gene » human gene, a gene, hua ren
wong sam » wong sau, wong lai, kong sar
wan yan » wang yan, wai yan, wang yang
nan yan » nan ya, wang yan, qian yan
yan hua » tan hua, ya hua, wang hua
yang ji » yang jui, yang jie, yang jin
won sau » wong sau, wong siu

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) OR (nan yan)) yan hua gene yang ji ((won sau) or (wong sam)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wan yan) OR (nan yan)) yan hua gene yang ji ((won sau) OR (wong sam)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wan yan) OR (nan yan)) yan hua gene yang ji ((won sau) or (wong sam)) ;*".