Perhaps you should try some spelling variations:
yuan chang » yuan cheng, huang chang, han chang
yuan wang » yan wang, yuan kang, qian wang
tan china » tuan china, than china, dan china
ren yang » ren yan, chen yang, dan yang
wong yue » wang yue, hong yu
yang xi » yang di, yang yi, yang jui
xi 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 chang)) ((tan china) OR (can china)) ren yang xi wong yue ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yuan wang) OR (yuan chang)) ((tan china) OR (can china)) ren yang xi wong yue ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((yuan wang) or (yuan chang)) ((tan china) OR (can china)) ren yang xi wong yue ;".
• Adding a wildcard symbol may retrieve word variants: ((yuan wang) or (yuan chang)) ((tan china) OR (can china)) ren yang xi wong yue ;*.