Perhaps you should try some spelling variations:
wang yong » wang yang, wang hyoung, wang yan
yong yang » yang yang, dong yang, ying yang
gene yang » gene bank
hoang hai » dang hai, hoang h, shang hai
yang hua » wang hua, yang hui, ying hua
hua gene » human gene, a gene, hua ren
yang lin » yang jin, wang lin, yang li
hong hai » shang hai, zhong tai, dang hai

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: wang yong yang hua gene yang lin ((hoang hai) OR (hong hai)) ;~.
• Adding a wildcard symbol may retrieve word variants: wang yong yang hua gene yang lin ((hoang hai) or (hong hai)) ;*.