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