Perhaps you should try some spelling variations:
than china » tuan china, han china, wuhan china
wang yang » wang yan, wang liang
yang jie » yang jin, yang di, yang jui
jie hong » jie song, xie hong, jie zhang
hong hai » shang hai, zhong tai, dang hai
tan hua » tuan hua, wang hua, tan chia
tuan vu » thanh vu, 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: wang yanling ((((tan hua) OR (than china))) OR (tuan vu)) wang yang jie hong hai ;~.
• Adding a wildcard symbol may retrieve word variants: wang yanling ((((tan hua) or (than china))) or (tuan vu)) wang yang jie hong hai ;*.