Perhaps you should try some spelling variations:
wang xiaotong » wang xiaodong, wang xianodong, wang xiaoping
zhang china » change china, zhejiang china, changed china
hang china » han china, change china, ghana china
dang hari » dang hai
wang jie » yang jie, wang jing, wang life
tang jie » yang jie, tang li, yang jin

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang xiaotong ((zhang china) or (hang china)) wei ((wang jie) OR (tang jie)) dang hari ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang xiaotong ((zhang china) OR (hang china)) wei ((wang jie) OR (tang jie)) dang hari ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang xiaotong ((zhang china) or (hang china)) wei ((wang jie) OR (tang jie)) dang hari ;*".