Perhaps you should try some spelling variations:
credit training » credit trading, credit rationing, credit rating
cost coping » port coping, cost computing, cost housing
hua credit » dual credit, a credit, du credit
dong yang » dong hoang, wang yang, yang yang
yang yao » yang yang, wang yan, yang yi
yao hua » ya hua
post » most, past

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

• Performing a fuzzy search may retrieve terms with similar spellings: dong yang yao hua credit training ((cost coping) or (post coping)) shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: dong yang yao hua credit training ((cost coping) OR (post coping)) shu ;*.