Perhaps you should try some spelling variations:
credit making » credit rating, credit ratings, credit trading
equal credit » dual credit, equity credit, rural credit
case coping » career coping, change coping, case company
coping shu » cong shu
yang yala » yang yang, yang all, yang dali
yang yao » yang yang, wang yan, yang yi

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 yala) OR (yang yao)) equal credit making case coping shu ;~.
• Adding a wildcard symbol may retrieve word variants: wang ((yang yala) or (yang yao)) equal credit making case coping shu ;*.