Perhaps you should try some spelling variations:
changes made » changes a, changes due
chen changes » when change, been changes, cover changes
tang zheng » wang zheng, fang sheng, fang zhen
wang yuhan » wang luhang, wang yan, fang yuan
wang yidan » wang yan
made wang » made can, made man, made sand
jing ta » jing jia
ta chen » a chen, hua chen

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: ((tang zheng) OR (((wang yuhan) OR (wang yidan)))) jing ta chen changes made wang zhi ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tang zheng) or (((wang yuhan) OR (wang yidan)))) jing ta chen changes made wang zhi ;~".
• Adding a wildcard symbol may retrieve word variants: ((tang zheng) or (((wang yuhan) OR (wang yidan)))) jing ta chen changes made wang zhi ;*.