Perhaps you should try some spelling variations:
tuan china » wuhan china, can china, taiwan china
china rene » china ren, china rate, china real
yuan kang » yuan wang, yuan chang, chan kang
kang tuan » kang susan, kang tae, anh tuan
wong yue » hong yu
wang yue » wang hua, wang yan, wang he
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 tuan china rene yang di ((wong yue) or (wang yue)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: yuan kang tuan china rene yang di ((wong yue) OR (wang yue)) ;.
• Adding a wildcard symbol may retrieve word variants: yuan kang tuan china rene yang di ((wong yue) or (wang yue)) ;*.