Perhaps you should try some spelling variations:
credit driving » credit driven, credit training, credit rating
driving value » drive value, delivering value
equal credit » dual credit, equity credit, rural credit
value cong » value co, value closing, value change
yang yang » wang yang, wang yan
a equal » _ equal, 6 equal, can equal

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: (((dong OR doing) sin) OR (yang yang)) a equal credit driving value cong shu ;~.
• Adding a wildcard symbol may retrieve word variants: (((dong or doing) sin) or (yang yang)) a equal credit driving value cong shu ;*.