Perhaps you should try some spelling variations:
tuan china » wuhan china, can china, taiwan china
yuan kang » yuan chang, chan kang, yuan kai
yuan wang » yan wang, yuan chang, qian wang
tan chia » than china, can china, dan china
di hong » kia hong, thi hong, tin hong
hong yu » wong yue
yang » lang

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((yuan kang) OR (yuan wang)) ((tan chia) or (tuan china)) rene yang di hong yu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yuan kang) OR (yuan wang)) ((tan chia) OR (tuan china)) rene yang di hong yu ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((yuan kang) OR (yuan wang)) ((tan chia) or (tuan china)) rene yang di hong yu ;".
• Adding a wildcard symbol may retrieve word variants: ((yuan kang) OR (yuan wang)) ((tan chia) or (tuan china)) rene yang di hong yu ;*.