Perhaps you should try some spelling variations:
yuan chang » yuan cheng, huang chang, han chang
tuan china » wuhan china, can china, taiwan china
china rene » china ren, china rate, china real
yuan kang » yuan wang, chan kang, yuan kai
yang xi » yang di, yang jui
yang yi » yang di, yang jui
hong yu » wong yue

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((yuan kang) or (yuan chang)) tuan china rene ((yang xi) OR (yang yi)) hong yu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yuan kang) OR (yuan chang)) tuan china rene ((yang xi) OR (yang yi)) hong yu ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((yuan kang) or (yuan chang)) tuan china rene ((yang xi) OR (yang yi)) hong yu ;*".