Perhaps you should try some spelling variations:
wang xiaotong » wang xiaodong, wang xianodong, wang xiaoping
zhang zhang » zhen zhang, cheng zhang, zhang fang
zhang wen » zhang wei, zhang fan, zhang yan
dang hari » dang hai
yang jie » yang di, yang jui, yang xi
yang jin » yang jun, ying jin, shang 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 zhang zhang wen ((yang jie) OR (yang jin)) dang hari ;~.
• Adding a wildcard symbol may retrieve word variants: wang xiaotong zhang zhang wen ((yang jie) or (yang jin)) dang hari ;*.