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
wong yue » wang yue, hong yu
lang dr » lange der
dr wong » dr ong, dr congo, dr kongo

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)) eva lang dr 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)) eva lang dr wong yue ;.
• Adding a wildcard symbol may retrieve word variants: ((yuan wang) or (yuan cheng)) ((than china) or (tuan china)) eva lang dr wong yue ;*.