Perhaps you should try some spelling variations:
credit training » credit trading, credit rationing, credit rating
training risk » trading risk, training visit, training cost
risk coping » risk pooling
hua credit » dual credit, a credit, ida credit
dong nana » dong yang
yaa » yana, yama, yasa

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

• Performing a fuzzy search may retrieve terms with similar spellings: dong nana ((yaa OR yara) or yala) hua credit training risk coping shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: dong nana ((yaa OR yara) OR yala) hua credit training risk coping shu ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "dong nana ((yaa OR yara) or yala) hua credit training risk coping shu ;".
• Adding a wildcard symbol may retrieve word variants: dong nana ((yaa OR yara) or yala) hua credit training risk coping shu ;*.