Perhaps you should try some spelling variations:
wuhan china » tuan china, yunnan china
gao shang » gao zhong, hao zhang
shang hai » shang kai, dang hai, chang ha
wing yan » wang yan, wing ian, wing tan
tan yang » dan yang, tan ying, tan yong
yang gao » yang yao, yang fan, xing gao
tan hua » tuan hua, wang hua, tan chia

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