Perhaps you should try some spelling variations:
chuan gene » human gene
wang yang » wang yan, wang liang, wang yanling
sang minh » kang minah, anh minh, song min
ka chuan » say chuan, hai chuan, ka chai
yang lin » yang jin, wang lin, yang li
yang ka » yang fan, yang yao
hong yu » wong yue

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yang ka chuan gene ((yang lin) or (((sang minh) or (tang li)))) hong yu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yang ka chuan gene ((yang lin) OR (((sang minh) OR (tang li)))) hong yu ;.
• Adding a wildcard symbol may retrieve word variants: wang yang ka chuan gene ((yang lin) or (((sang minh) or (tang li)))) hong yu ;*.