Perhaps you should try some spelling variations:
han china » hang china, than china, can china
shang kai » shang hai
wen chin » en chine, je chin
chang yi » chong yi, zhang yi, chang gui
yang jin » yang jie, yang jun, ying jin
yi chen » jui chen
yang yi » yang di, yang jui
yang xi » yang di, yang jui

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: ((han china) OR (wen chin)) chang yi chen ((((yang yi) OR (yang jin))) OR (yang xi)) shang kai ;~.
• Adding a wildcard symbol may retrieve word variants: ((han china) or (wen chin)) chang yi chen ((((yang yi) or (yang jin))) or (yang xi)) shang kai ;*.