Perhaps you should try some spelling variations:
wang xiaolin » wang xiaoping, wang xiaodong, wang jianbin
than china » tuan china, han china, wuhan china
zhang hari » zhang dai, shang hai, zhang han
chen wang » chen yang, chen rong, chen ping
jie zhang » jia zhang, li zhang, bin zhang
wang jie » yang jie, tang jie, wang jing

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 xiaolin ((than china) OR (can china)) chen wang jie zhang hari ;~.
• Adding a wildcard symbol may retrieve word variants: wang xiaolin ((than china) or (can china)) chen wang jie zhang hari ;*.