Perhaps you should try some spelling variations:
clone thanh » long thanh
gene clone » gene one
yuan kang » yuan wang, yuan chang, chan kang
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.

• Performing a fuzzy search may retrieve terms with similar spellings: yuan kang ((yang xi) OR (yang jui)) gene clone thanh van paul ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "yuan kang ((yang xi) OR (yang jui)) gene clone thanh van paul ;*".