Perhaps you should try some spelling variations:
chung wang » chung kang, chen wang, china wang
yang yang » wang yang, wang yan
wang yong » wang yang, wang hyoung, wang yan
kang han » kang chen, kong hang, zhang han
yong wu » yong suk, yong wah
wu kang » wu guang
dean » dewan, jean, den

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 ((yang yang) OR (yang dean)) chung wang yong wu kang han ;~.
• Adding a wildcard symbol may retrieve word variants: wang ((yang yang) or (yang dean)) chung wang yong wu kang han ;*.