Perhaps you should try some spelling variations:
wang yuhan » wang luhang, wang yidan, fang yuan
yuhan ming » yuan ming, chan ming
hyung kim » yong kim
yan wang » yuan wang, yang yang, qian wang
kang kim » kanaga kim, tan kim, yong kim
song zhu » ying zhu, jing zhu, song ze
ning zhu » ying zhu, jing zhu, liang zhu

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 yan wang yuhan ming ((kang kim) OR (hyung kim)) ((song zhu) OR (ning zhu)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yan wang yuhan ming ((kang kim) or (hyung kim)) ((song zhu) OR (ning zhu)) ;~".
• Adding a wildcard symbol may retrieve word variants: wang yan wang yuhan ming ((kang kim) or (hyung kim)) ((song zhu) OR (ning zhu)) ;*.