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
yang jin » yang jie, yang jun, ying jin
hai » hadi, haji, thai

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 ((yang jin) OR (fang ke)) ((dang hari) OR (dang hai)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang xiaotong hang china wen ((yang jin) or (fang ke)) ((dang hari) OR (dang hai)) ;~".
• Adding a wildcard symbol may retrieve word variants: wang xiaotong hang china wen ((yang jin) or (fang ke)) ((dang hari) OR (dang hai)) ;*.