Perhaps you should try some spelling variations:
wang yong » wang yang, wang hyoung, wang yan
yong yan » yang yang, dong yang, ying yang
yun song » hyun song, yun young, jin song
jae song » jae yong, jie song, jae young
kim song » kim young
kim eung » kim young
yan xi » yang xi, yan zi
xi yun » li yun

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 xi yun song ((jae song) OR (((kim song) OR (kim eung)))) shu ;~.
• Adding a wildcard symbol may retrieve word variants: wang yong yan xi yun song ((jae song) or (((kim song) or (kim eung)))) shu ;*.