Perhaps you should try some spelling variations:
yuan cheng » yuan chang, huang cheng, yu cheng
than china » tuan china, han china, wuhan china
china reza » china real, china ren
yuan wang » yan wang, yuan kang, yuan chang
wang yue » wong yue, wang hua, wang he
yang » lang, ryang
yan » ryan

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 reza yang di ((wang yue) OR (wang yan)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yuan wang) OR (yuan cheng)) than china reza yang di ((wang yue) OR (wang yan)) ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((yuan wang) or (yuan cheng)) than china reza yang di ((wang yue) OR (wang yan)) ;".
• Adding a wildcard symbol may retrieve word variants: ((yuan wang) or (yuan cheng)) than china reza yang di ((wang yue) OR (wang yan)) ;*.