Perhaps you should try some spelling variations:
credit obtaining » credit training, product obtaining, credit rationing
obtaining value » retaining valued, sustaining value, organizing value
equal credit » dual credit, equity credit, rural credit
yang yang » wang yang, wang yan
can equal » change equal
value co » value _, value a
co shu » cong shu

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