Perhaps you should try some spelling variations:
than china » tuan china, han china, wuhan china
shang hai » shang kai, dang hai, hong hai
wing tan » wing ian, liang tan, hong tan
tan yang » dan yang, tan ying, tan yong
yang jin » yang jie, yang jun, ying jin
chang ha » chang mae
han hua » tan hua, wang hua, tuan hua

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 tan ((han hua) OR (than china)) tan yang jin ((shang hai) OR (chang ha)) ;~.
• Adding a wildcard symbol may retrieve word variants: wing tan ((han hua) or (than china)) tan yang jin ((shang hai) or (chang ha)) ;*.