Perhaps you should try some spelling variations:
china wang » china yang, china chang, china zhang
tan china » tuan china, than china, can china
pang jiu » pang jun, yang jie, pan ji
yang jin » yang jie, yang jun, shang jin
ying jin » jing ji, yang jie
yan tan » tan tan, yan clan, yan guan
yan jiu » yang jie

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 yan tan china wang ((((yan jiu) OR (pang jiu))) OR (((yang jin) OR (ying jin)))) cong shu ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yan tan china wang ((((yan jiu) OR (pang jiu))) or (((yang jin) or (ying jin)))) cong shu ;~".
• Adding a wildcard symbol may retrieve word variants: wang yan tan china wang ((((yan jiu) OR (pang jiu))) or (((yang jin) or (ying jin)))) cong shu ;*.