Perhaps you should try some spelling variations:
wang xiaotong » wang xiaodong, wang xianodong, wang xiaoping
hang china » change china, ghana china, kong china
zhang hari » zhang dai, shang hai, zhang han
han china » than china, can china, dan china
jie zhang » jia zhang, li zhang, bin zhang
wen fang » weng fang, wen wang, yin fang
fang jie » yang jie, tang jie, fang ke

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) OR (han china)) wen fang jie zhang hari ;~.
• Adding a wildcard symbol may retrieve word variants: wang xiaotong ((hang china) or (han china)) wen fang jie zhang hari ;*.