Perhaps you should try some spelling variations:
yuan cheng » yuan chang, huang cheng, yu cheng
than china » tuan china, han china, wuhan china
yuan wang » yan wang, yuan kang, yuan chang
china ren » china loren, china real, china reza
wong yue » wang yue, hong yu
yan di » yang di, yan zi, ryan die
pan di » pan ji

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((yuan wang) or (yuan cheng)) than china ren ((yan di) OR (pan di)) wong yue ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yuan wang) OR (yuan cheng)) than china ren ((yan di) OR (pan di)) wong yue ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((yuan wang) or (yuan cheng)) than china ren ((yan di) OR (pan di)) wong yue ;*".