Perhaps you should try some spelling variations:
chin chang » china chang, chain change, china zhang
chang wei » zhang wei, wang wei, chang gui
dang hadi » dang hai
tan chin » tan chia, tuan china, than china
wei chen » wei shen, frei chen, jui chen
yang jie » yang jin, yang yi, yang jun
yang jui » yang judy, yang yi
yang xi » yang yi

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: tan chin chang wei chen ((((((yang jie) OR (yang xi))) OR (yang jui))) OR (yang di)) dang hadi ;~.
• Adding a wildcard symbol may retrieve word variants: tan chin chang wei chen ((((((yang jie) or (yang xi))) or (yang jui))) or (yang di)) dang hadi ;*.