Perhaps you should try some spelling variations:
than china » tuan china, han china, wuhan china
wang kang » wang yang, wang liang, wang yong
china dan » china den, china data, china des
dang hari » dang hai
dan yang » daun yang, tan yang, wang yang
yang jie » yang jin, yang di, yang jui
jie dang » jie zhang, vie dans, bie dans

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 kang) OR (wang yan))) OR (wang yanling)) than china dan yang jie dang hari ;~.
• Adding a wildcard symbol may retrieve word variants: ((((wang kang) or (wang yan))) or (wang yanling)) than china dan yang jie dang hari ;*.