Perhaps you should try some spelling variations:
credit training » credit rationing, credit rating, credit granting
credit trading » credit rating, credit standing, credit creating
risk coping » risk pooling
coping shu » cong shu
dong nan » dong yang, dong sin, dong bin
nan ya » nan yan, nana yaa

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

• Performing a fuzzy search may retrieve terms with similar spellings: dong nan ya hua ((credit trading) OR (credit training)) risk coping shu ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "dong nan ya hua ((credit trading) OR (credit training)) risk coping shu ;".
• Adding a wildcard symbol may retrieve word variants: dong nan ya hua ((credit trading) OR (credit training)) risk coping shu ;*.