Perhaps you should try some spelling variations:
yuan wang » yan wang, yuan kang, yuan chang
gene yang » gene bank
tan chia » tuan china, than china, can china
tuan hua » tan hua, yuan hui
jun hong » tan hong, can hong, hu hong
tin hong » tan hong, kia hong, thi hong
tuan vu » thanh vu

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

• Performing a fuzzy search may retrieve terms with similar spellings: yuan wang ((tan chia) or (((tuan hua) or (tuan vu)))) gene yang ((jun hong) OR (tin hong)) yu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: yuan wang ((tan chia) OR (((tuan hua) OR (tuan vu)))) gene yang ((jun hong) OR (tin hong)) yu ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "yuan wang ((tan chia) or (((tuan hua) or (tuan vu)))) gene yang ((jun hong) OR (tin hong)) yu ;".
• Adding a wildcard symbol may retrieve word variants: yuan wang ((tan chia) or (((tuan hua) or (tuan vu)))) gene yang ((jun hong) OR (tin hong)) yu ;*.