Perhaps you should try some spelling variations:
wuhan china » tuan china, yunnan china
yuan chang » yuan cheng, huang chang, han chang
than china » tuan china, han china, can china
yuan wang » yan wang, yuan kang, qian wang
dan yang » daun yang, tan yang, wang yang
wang yue » wong yue, wang hua, wang yan
di wang » li wang, wei wang

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