Perhaps you should try some spelling variations:
does human » das human, does humanity, models human
dean kyung » han kyung
wang yang » wang yan, wang liang, wang yanling
des human » das human, des humains, des humanen
gene yang » gene bank
yang yao » yang yang, wang yan, yang yi
ghias » guias, gaias, ghia

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: ((yang yao) OR (wang yang)) ((does human) OR (des human)) gene yang dean kyung ghias ;~.
• Adding a wildcard symbol may retrieve word variants: ((yang yao) or (wang yang)) ((does human) or (des human)) gene yang dean kyung ghias ;*.