Perhaps you should try some spelling variations:
wang yong » wang yang, wang hyoung, wang yan
chen yang » chen rong
yong yan » yang yang, dong yang, ying yang
yan chia » tan chia, can china, dan china
wei yang » pei yang, wei wang, wei yang's
zong hai » dang hai, long han, zong he
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 yan chia ((chen yang) OR (wei yang)) lin ((zong hai) OR (hong hai)) ;~.
• Adding a wildcard symbol may retrieve word variants: wang yong yan chia ((chen yang) or (wei yang)) lin ((zong hai) or (hong hai)) ;*.