Perhaps you should try some spelling variations:
trading risk » trading case, funding risk, making risk
trading room » trading cost, making room
dual credit » rural credit, deals credit, equal credit
hua credit » a credit, du credit, ida credit
among shu » cong shu, among eu, among sex
dong » doing, long, done
sin » sign, sind, skin

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 sin ya ((hua credit) OR (dual credit)) ((trading risk) OR (trading room)) among shu ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "dong sin ya ((hua credit) OR (dual credit)) ((trading risk) or (trading room)) among shu ;~".
• Adding a wildcard symbol may retrieve word variants: dong sin ya ((hua credit) OR (dual credit)) ((trading risk) or (trading room)) among shu ;*.