Perhaps you should try some spelling variations:
clone thanh » long thanh
gene clone » gene one
chan kang » chung kang, chan eng, chan fong
kang yang » wang yang, yang yang, kang young
van paul » von paul, jean paul, chan paul
jan paul » jean paul, john paul, von paul
yang xi » yang di, yang yi, yang jui
xi gene » i gene, iii gene

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

• Performing a fuzzy search may retrieve terms with similar spellings: chan kang yang xi gene clone thanh ((van paul) or (jan paul)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: chan kang yang xi gene clone thanh ((van paul) OR (jan paul)) ;*.