Perhaps you should try some spelling variations:
wuhan china » tuan china, yunnan china
han china » hang china, than china, can china
jie zhang » jia zhang, li zhang, bin zhang
zhang hai » zhang dai, shang hai, zhang han
dan yang » daun yang, tan yang, wang yang
yang jie » yang jin, yang di, yang jui
wang » wing, wan, lang

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 yanling ((han china) OR (wuhan china)) dan yang jie zhang hai ;~.
• Adding a wildcard symbol may retrieve word variants: wang yanling ((han china) or (wuhan china)) dan yang jie zhang hai ;*.