Perhaps you should try some spelling variations:
wuhan china » tuan china, yunnan china
yan wuhan » yan guan, yan yuan
china tan » china top, china two, china taiwan
shang hai » shang kai, dang hai, chang ha
tan yang » dan yang, tan ying, tan yong
yang lin » yang jin, wang lin, yang li
nan yan » nan ya, wang yan, qian yan

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: nan yan wuhan china tan yang lin ((hong tan) OR (shang hai)) ;~.
• Adding a wildcard symbol may retrieve word variants: nan yan wuhan china tan yang lin ((hong tan) or (shang hai)) ;*.