Perhaps you should try some spelling variations:
clone thanh » long thanh
gene clone » gene one
yuan wang » yan wang, yuan kang, yuan chang
thanh van » thanh dam, thanh vu
yang jui » yang judy, yang di, yang yi
van paul » von paul, jan paul, jean paul
yang xi » yang di, 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: yuan wang ((yang jui) OR (yang xi)) gene clone thanh van paul ;~.
• Adding a wildcard symbol may retrieve word variants: yuan wang ((yang jui) or (yang xi)) gene clone thanh van paul ;*.