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 chang, qian wang
yuan kang » yuan chang, chan kang, yuan kai
yang kie » yang jie, yang di, yang xi
wong yue » wang yue, hong yu

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