Perhaps you should try some spelling variations:
hyoung yan » kyoung yang, hyoung gun, young yun
kyoung yun » young yun, kyoung yang, hyoung gun
yang jie » yang jin, yang di, yang jui
hua ren » hua chen
yan jiu » yang jin, pang jiu
cong yu » hong yu, rong yu, chong yun
wang » wing, wan, lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang ((hyoung yan) OR (kyoung yun)) hua ren ((yan jiu) or (yang jie)) cong yu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((hyoung yan) OR (kyoung yun)) hua ren ((yan jiu) OR (yang jie)) cong yu ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ((hyoung yan) OR (kyoung yun)) hua ren ((yan jiu) or (yang jie)) cong yu ;".
• Adding a wildcard symbol may retrieve word variants: wang ((hyoung yan) OR (kyoung yun)) hua ren ((yan jiu) or (yang jie)) cong yu ;*.