Perhaps you should try some spelling variations:
wang xiaotong » wang xiaodong, wang xianodong, wang xiaoping
zhang chong » zhang hong, chung chong, zhang rong
chong wan » choong wan, hong tan, chong en
dang hari » dang hai
fang jie » yang jie, tang jie, fang ke
yang jin » yang jie, yang jun, ying 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 chong wan ((fang jie) OR (yang jin)) dang hari ;~.
• Adding a wildcard symbol may retrieve word variants: wang xiaotong zhang chong wan ((fang jie) or (yang jin)) dang hari ;*.