Perhaps you should try some spelling variations:
yang july » yang jui, yang jun
jiu congo » jiu cong, du congo, eic congo
congo shu » cong shu
main yan » main bank, main am, nan yan
yang xi » yang di, yang yi, yang jui
yan jiu » yang jie, yang jin, pang jiu
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 ((((yang xi) or (yang judy))) or (yang july)) main yan jiu congo shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang hyoung ((((yang xi) OR (yang judy))) OR (yang july)) main yan jiu congo shu ;.
• Adding a wildcard symbol may retrieve word variants: wang hyoung ((((yang xi) or (yang judy))) or (yang july)) main yan jiu congo shu ;*.