Perhaps you should try some spelling variations:
kyoung yun » young yun, kyoung yang, hyoung gun
yuan wang » yan wang, yuan kang, yuan chang
wang tao » wang qiao, huang tao, wang yan
yan guan » gan guan, yan yuan, yang guang
tao hua » tan hua, tuan hua
hua ren » hua chen
yan kun » yan yuan

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

• Performing a fuzzy search may retrieve terms with similar spellings: yuan wang tao hua ren ((yan guan) or (yan kun)) kyoung yun ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: yuan wang tao hua ren ((yan guan) OR (yan kun)) kyoung yun ;*.