Perhaps you should try some spelling variations:
tuan china » wuhan china, can china, taiwan china
han china » hang china, than china, can china
dan yang » daun yang, tan yang, wang yang
yang jin » yang jie, yang jun, ying jin
jin hong » tin hong, jin song, min hong
hong hai » shang hai, zhong tai, dang hai
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 (tuan china)) dan yang jin hong hai ;~.
• Adding a wildcard symbol may retrieve word variants: wang yanling ((han china) or (tuan china)) dan yang jin hong hai ;*.