Perhaps you should try some spelling variations:
gene yang » gene bank
kim ching » im china, lim chong
ching jin » china jing, ching fein, shang jin
wang tao » wang qiao, huang tao, wang yan
yang jui » yang judy, yang yi
yang kim » yong kim, kang kim, hyung kim
yang xi » yang yi

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

• If you are trying to use Boolean operators, they must be ALL CAPS: wang tao ((yang di) OR (((yang xi) OR (yang jui)))) gene yang kim ching jin ;~.
• Adding a wildcard symbol may retrieve word variants: wang tao ((yang di) or (((yang xi) or (yang jui)))) gene yang kim ching jin ;*.