Perhaps you should try some spelling variations:
training risk » trading risk, training crisis, defining risk
training cost » training costs, training course, training courses
dual credit » rural credit, deals credit, equal credit
wang liang » wang yang
liang y » liang _, jiang ye, jiang yi
y dual » _ dual, a dual, 3 dual

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang liang y dual credit ((training risk) or (training cost)) (cong or congo) shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang liang y dual credit ((training risk) OR (training cost)) (cong OR congo) shu ;.
• Adding a wildcard symbol may retrieve word variants: wang liang y dual credit ((training risk) or (training cost)) (cong or congo) shu ;*.