Perhaps you should try some spelling variations:
yan chang » yuan chang, han chang, yan zhang
chang yi » chong yi, zhang yi, chang gui
yang jun » yang jui, pang jun, yang jin
yi chen » jui chen
yang yi » yang jui
yang xi » yang jui
wang » wing, wan, lang
hai » hadi, haji, hari

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 chang yi chen ((((((yang yi) OR (yang xi))) OR (yang jun))) OR (yang di)) dang hai ;~.
• Adding a wildcard symbol may retrieve word variants: wang yan chang yi chen ((((((yang yi) or (yang xi))) or (yang jun))) or (yang di)) dang hai ;*.