Perhaps you should try some spelling variations:
tan china » tuan china, than china, can china
china law » china laws
yang jie » yang jin, yang di, yang jui
ying jin » yang jin, jing ji
long shu » cong shu, tong shui, long du
wan yan » wang yan, nan yan, wai yan
yan tan » tan tan, yan clan, yan guan

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: wan yan tan china law ((yang jie) OR (ying jin)) long shu ;~.
• Adding a wildcard symbol may retrieve word variants: wan yan tan china law ((yang jie) or (ying jin)) long shu ;*.