Perhaps you should try some spelling variations:
yuan cheng » yuan chang, huang cheng, yu cheng
than china » tuan china, han china, wuhan china
china ren » china loren, china real, china reza
yan wang » yuan wang, yang yang, qian wang
wong yue » wang yue, hong yu
yang dr » yang di, yang du
yang d » yang di, yang du, yang _

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

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