Perhaps you should try some spelling variations:
hyoung can » hyoung gun
china wen » chia wen, china won, ching wen
yang jun » pang jun, yang jin, yang judy
yang jui » yang judy, yang di, yang yi
yan jiu » yang jie, yang jin, pang jiu
yang xi » yang di, yang yi
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 can china wen ((yan jiu) OR (((yang jun) OR (((yang jui) OR (yang xi)))))) cong shu ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang hyoung can china wen ((yan jiu) or (((yang jun) or (((yang jui) OR (yang xi)))))) cong shu ;~".
• Adding a wildcard symbol may retrieve word variants: wang hyoung can china wen ((yan jiu) or (((yang jun) or (((yang jui) OR (yang xi)))))) cong shu ;*.