Perhaps you should try some spelling variations:
wang yong » wang yang, wang hyoung, wang yan
yong yang » yang yang, dong yang, ying yang
yang yun » yang jun, tang yun, yang yue
tan yang » dan yang, tan ying, tao yang
tan yong » tan hong, tan kong, tan ying
kang hay » kang han, dang hai, kang tae
eang hay » dang hai, kang 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 yang yun ((tan yang) OR (tan yong)) jui ((kang hay) OR (eang hay)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yong yang yun ((tan yang) or (tan yong)) jui ((kang hay) OR (eang hay)) ;~".
• Adding a wildcard symbol may retrieve word variants: wang yong yang yun ((tan yang) or (tan yong)) jui ((kang hay) OR (eang hay)) ;*.