Perhaps you should try some spelling variations:
lang hyoung » wang hyoung, kang young, hwang byoung
yang july » yang judy, yang jui, yang jun
jiu congo » jiu cong, du congo, eic congo
congo shu » cong shu
rain yan » nan yan, ren yan
yang xi » yang di, yang yi, yang jui
yan jiu » yang jie, yang jin, pang jiu

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

• Performing a fuzzy search may retrieve terms with similar spellings: lang hyoung ((yang xi) OR (yang july)) rain yan jiu congo shu ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "lang hyoung ((yang xi) OR (yang july)) rain yan jiu congo shu ;".
• Adding a wildcard symbol may retrieve word variants: lang hyoung ((yang xi) OR (yang july)) rain yan jiu congo shu ;*.