Perhaps you should try some spelling variations:
hyoung gun » young eun
yang jie » yang di, yang jui, yang xi
yang jin » yang jun, ying jin, shang jin
long shu » cong shu, tong shui, long du
yan jiu » pang jiu
a rein » a reine, a reit, a region
gun a » run a, fun a, gun 2
wang » wing, wan, lang

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