Perhaps you should try some spelling variations:
wuhan china » tuan china, yunnan china
wang yong » wang yang, wang hyoung, wang yan
gene yang » gene bank
tan chia » tuan china, than china, can china
yang jui » yang judy, yang di, yang xi
jui wong » ji won, jui meng
tan hua » tuan hua, wang hua, tan puay

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 yong ((((tan hua) OR (tan chia))) OR (wuhan china)) gene yang jui wong (lai OR laid) ;~.
• Adding a wildcard symbol may retrieve word variants: wang yong ((((tan hua) or (tan chia))) or (wuhan china)) gene yang jui wong (lai or laid) ;*.