Perhaps you should try some spelling variations:
wang yong » wang yang, wang hyoung, wang yan
yong gan » gong gang, hong gang, qing gan
gan guan » yan guan, quan guan, fan guon
guan dan » guan dabo
dan yang » daun yang, tan yang, wang yang
kang hay » eang hay, kang han, kang tae
yang wu » yang du, yang mu, yang jui
hai » hadi, haji, hari

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 gan guan dan yang wu ((kang hay) OR (dang hai)) ;~.
• Adding a wildcard symbol may retrieve word variants: wang yong gan guan dan yang wu ((kang hay) or (dang hai)) ;*.