Perhaps you should try some spelling variations:
than china » tuan china, wuhan china, dan china
zhang hari » zhang dai, shang hai, zhang han
han china » hang china, dan china, wuhan china
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 xiaodong ((((than china) OR (han china))) OR (can china)) chen wang jie zhang hari ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang xiaodong ((((than china) OR (han china))) or (can china)) chen wang jie zhang hari ;~".
• Adding a wildcard symbol may retrieve word variants: wang xiaodong ((((than china) OR (han china))) or (can china)) chen wang jie zhang hari ;*.