Perhaps you should try some spelling variations:
wang yong » wang yang, wang hyoung, wang yan
yong gang » gong gang, hong gang, yong phang
clan wang » chen wang, qian wang, yuan wang
gang yan » wang yan, gang yao, wang yang
yan wang » yuan wang, yang yang, qian wang
eang hay » dang hai
kang han » kang chen, kong hang, zhang han

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 gang yan ((clan wang) OR (yan wang)) jing ((eang hay) OR (kang han)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yong gang yan ((clan wang) or (yan wang)) jing ((eang hay) OR (kang han)) ;~".
• Adding a wildcard symbol may retrieve word variants: wang yong gang yan ((clan wang) or (yan wang)) jing ((eang hay) OR (kang han)) ;*.