Perhaps you should try some spelling variations:
kang young » wang hyoung
human gene » human genome, human gender, human bone
young yan » young man, young yun, kyoung yang
yan human » than human, non human, von human
gene yang » gene bank
kong saur » kong siu, kong your, wong sau
yang jin » yang jie, yang jun, ying jin

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: kang young yan human gene yang jin ((kong sar) OR (kong saur)) ;~.
• Adding a wildcard symbol may retrieve word variants: kang young yan human gene yang jin ((kong sar) or (kong saur)) ;*.