Perhaps you should try some spelling variations:
yong yoon » wong yoon, yong khoon
yang yang » wang yan
wang yang » wang yan, wang liang, wang yanling
ren ying » ran ying, jin ying, en yin
ying kim » yong kim, hyung kim, ying jin
kim song » kim young, kim eung
hua ren » hua chen

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: wang ((yong yoon) or (((yang yang) or (wang yang)))) hua ren ying kim song (shin OR thin) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((yong yoon) OR (((yang yang) OR (wang yang)))) hua ren ying kim song (shin OR thin) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ((yong yoon) or (((yang yang) or (wang yang)))) hua ren ying kim song (shin OR thin) ;*".