Perhaps you should try some spelling variations:
trading risk » trading case, trading room, funding risk
dual credit » rural credit, deals credit, equal credit
hua credit » a credit, du credit, ida credit
dong yang » dong hoang, wang yang, yang yang
risk cong » risk coping, risk among, risk along
yang yi » yang di, yang xi, yang jui

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 yi ((hua credit) or (dual credit)) trading risk cong shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: dong yang yi ((hua credit) OR (dual credit)) trading risk cong shu ;.
• Adding a wildcard symbol may retrieve word variants: dong yang yi ((hua credit) or (dual credit)) trading risk cong shu ;*.