Perhaps you should try some spelling variations:
wang xiaotong » wang xiaodong, wang xianodong, wang xiaoping
xiaotong hang » xiaotong zhang, xiaodong huang, xiaoyang tang
hang china » han china, change china, ghana china
china wen » chia wen, china won, ching wen
dang hari » dang hai
fang jie » yang jie, fang ke, yang jin
tang jie » yang jie, tang li, yang jin

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

• If you are trying to use Boolean operators, they must be ALL CAPS: wang xiaotong hang china wen ((fang jie) OR (tang jie)) dang hari ;~.
• Adding a wildcard symbol may retrieve word variants: wang xiaotong hang china wen ((fang jie) or (tang jie)) dang hari ;*.