Perhaps you should try some spelling variations:
shen changes » when change, been changes, shen chang
changes made » changes a, changes due
wang yang » wang yan, wang liang, wang yanling
yang yang » wang yan
zhang zhi » zhong zhi, wang zhi, zhang wei
shang hai » shang kai, dang hai, chang ha
yang wei » wang wei, fang wei, zhang wei
wei shen » kwei sheng, enwei shen, wei shang

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 yang yang wei shen changes made ((zhang zhi) OR (shang hai)) ;~.
• Adding a wildcard symbol may retrieve word variants: wang yang yang wei shen changes made ((zhang zhi) or (shang hai)) ;*.