Perhaps you should try some spelling variations:
kyoung yun » young yun, kyoung yang, hyoung gun
dong yuan » don juan, dong nan, dong yang
dong hua » wang hua, tong hui, dong hoi
kang hua » wang hua, wang hui, gang hu
yang kim » yong kim, hyung kim, yang di
kang kim » kanaga kim, tan kim, yong kim
best » west

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((dong yuan) or (dong hua)) kang hua (rest or best) ((yang kim) OR (kang kim)) kyoung yun ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((dong yuan) OR (dong hua)) kang hua (rest OR best) ((yang kim) OR (kang kim)) kyoung yun ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((dong yuan) or (dong hua)) kang hua (rest or best) ((yang kim) OR (kang kim)) kyoung yun ;*".