Perhaps you should try some spelling variations:
wang kyoung » wang hyoung, hwang byoung, wang yong
kyoung yun » young yun, kyoung yang, hyoung gun
yang jie » yang jin, yang di, yang jui
long shu » tong shui, long du
yan jiu » yang jin, pang jiu
a rein » a reine, a reit, a region
yun a » run a, un a, yun _

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 kyoung yun a rein ((yan jiu) OR (yang jie)) ((long shu) OR (cong shu)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang kyoung yun a rein ((yan jiu) OR (yang jie)) ((long shu) or (cong shu)) ;~".
• Adding a wildcard symbol may retrieve word variants: wang kyoung yun a rein ((yan jiu) OR (yang jie)) ((long shu) or (cong shu)) ;*.