Perhaps you should try some spelling variations:
changes made » changes a, changes due
zhang wei » zhen wei
ji zhang » jia zhang, jie zhang, li zhang
wei shen » kwei sheng, enwei shen, wei shang
jian ji » jian jia, jiang yi
yang xi » yang jui
yang yi » yang jui
hai » hadi, haji, hari

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: jian ji zhang wei shen ((((yang xi) or (yang yi))) or (yang di)) ((changes made) or (dang hai)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: jian ji zhang wei shen ((((yang xi) OR (yang yi))) OR (yang di)) ((changes made) OR (dang hai)) ;.
• Adding a wildcard symbol may retrieve word variants: jian ji zhang wei shen ((((yang xi) or (yang yi))) or (yang di)) ((changes made) or (dang hai)) ;*.