Perhaps you should try some spelling variations:
credit training » credit rationing, credit rating, credit granting
credit trading » credit rating, credit standing, credit creating
costs keeping » cows keeping, fronts keeping, worth keeping
keeping shu » keeping your, keeping them, keeping what
dong yang » dong hoang, wang yang, dan yang
yang yang » wang yang, wang yan
yang dual » yang dean, yang dali, yang du

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 yang yang dual ((credit trading) OR (credit training)) costs keeping shu ;~.
• Adding a wildcard symbol may retrieve word variants: dong yang yang dual ((credit trading) or (credit training)) costs keeping shu ;*.