Perhaps you should try some spelling variations:
tuan china » wuhan china, can china, taiwan china
china wen » chia wen, china won, ching wen
ying jiao » ying jin, jing jia, ping jia
tan tuan » tan tan, anh tuan, can turn
wen ying » jin ying, en yin, fan ying
tong hui » wang hui
gong hui » tong shui, wang hui, gong si
hong » long

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

• Performing a fuzzy search may retrieve terms with similar spellings: hong tan tuan china wen ying jiao ((tong hui) or (gong hui)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hong tan tuan china wen ying jiao ((tong hui) OR (gong hui)) ;.
• Adding a wildcard symbol may retrieve word variants: hong tan tuan china wen ying jiao ((tong hui) or (gong hui)) ;*.