Perhaps you should try some spelling variations:
clone thanh » long thanh
gene clone » gene one
kang yang » wang yang, kang young, huang yang
yang yang » wang yang, wang yan
thanh van » thanh dam, thanh vu
van paul » von paul, jan paul, jean paul
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: yuan ((kang yang) OR (yang yang)) xi gene clone thanh van paul ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "yuan ((kang yang) OR (yang yang)) xi gene clone thanh van paul ;*".