Perhaps you should try some spelling variations:
than china » tuan china, han china, wuhan china
yang pain » yang fan, yang jin, hand pain
tong shui » tong hui, cong shu, gong hui
ren yang » ren yan, chen yang, dan yang
long shu » cong shu, long du
yan hua » tan hua, ya hua, wang hua
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 ((yan hua) OR (than china)) ren yang pain ((long shu) OR (tong shui)) ;~.
• Adding a wildcard symbol may retrieve word variants: wang yanling ((yan hua) or (than china)) ren yang pain ((long shu) or (tong shui)) ;*.