Perhaps you should try some spelling variations:
than china » tuan china, han china, wuhan china
gene yang » gene bank
yang jui » yang judy, yang di, yang xi
jui wong » ji won, jui meng
yan hua » ya hua, wang hua, tuan hua
tuan vu » thanh vu, tuan hua
tan hua » tuan hua, wang hua, tan chia
wang » wing, wan, lang
lai » laid

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yan ((((((yan hua) or (tuan vu))) or (tan hua))) or (than china)) gene yang jui wong lai ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yan ((((((yan hua) OR (tuan vu))) OR (tan hua))) OR (than china)) gene yang jui wong lai ;.
• Adding a wildcard symbol may retrieve word variants: wang yan ((((((yan hua) or (tuan vu))) or (tan hua))) or (than china)) gene yang jui wong lai ;*.