Perhaps you should try some spelling variations:
yuan cheng » yuan chang, huang cheng, yu cheng
than china » han china, wuhan china, can china
tuan china » wuhan china, can china, taiwan china
yuan wang » yan wang, yuan kang, yuan chang
reza lang » eva lang
wong yue » wang yue, hong yu
lang di » yang di, wang di, klang die
di wong » dr wong, kie wong

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