Perhaps you should try some spelling variations:
china chang » chin chang, china zhang, china changqi
chang chen » chang ch'un, chang chuan, change when
chen chen » chen zhen, chen chuan, chen chung
dang hadi » dang hai
yang jie » yang jin, yang jui, yang jun
yang xi » yang jui
yang yi » 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: can china chang chen chen ((((yang xi) OR (yang jie))) OR (((yang di) OR (yang yi)))) dang hadi ;~.
• Adding a wildcard symbol may retrieve word variants: can china chang chen chen ((((yang xi) or (yang jie))) or (((yang di) or (yang yi)))) dang hadi ;*.