Perhaps you should try some spelling variations:
yang july » yang judy, yang jun
jiu congo » jiu cong, du congo, eic congo
congo shu » cong shu
yang jui » yang judy, yang di, yang yi
main yan » main bank, main am, nan yan
yang xi » yang di, yang yi
yan jiu » yang jie, yang jin, pang jiu
wang » wing, wan

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

• Performing a fuzzy search may retrieve terms with similar spellings: (wang OR lang) hyoung ((((yang xi) or (yang jui))) or (yang july)) main yan jiu congo shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (wang OR lang) hyoung ((((yang xi) OR (yang jui))) OR (yang july)) main yan jiu congo shu ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(wang OR lang) hyoung ((((yang xi) or (yang jui))) or (yang july)) main yan jiu congo shu ;".
• Adding a wildcard symbol may retrieve word variants: (wang OR lang) hyoung ((((yang xi) or (yang jui))) or (yang july)) main yan jiu congo shu ;*.