Perhaps you should try some spelling variations:
rating change » creating change, grazing change, making change
wang liang » wang yang
chen ping » chen rong, chen yang, chen wang
change 10 » change 1, change 11, change 10.4
yang jie » yang jin, yang xi, yang yi
yang jui » yang judy, yang xi, yang yi
n chen » _ chen, a chen, z chen
leg a » lee a, leg _, let a
a n » a un

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((((wang liang) or (yang jie))) or (((yang jui) or (yang di))))leg a n chen ping rating change 10 ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((wang liang) OR (yang jie))) OR (((yang jui) OR (yang di))))leg a n chen ping rating change 10 ;.
• Adding a wildcard symbol may retrieve word variants: ((((wang liang) or (yang jie))) or (((yang jui) or (yang di))))leg a n chen ping rating change 10 ;*.