Perhaps you should try some spelling variations:
training course » training courses
equal credit » dual credit, equity credit, rural credit
trading risk » trading case, trading room, funding risk
wang jiang » wang liang, wang jing, wang yang
jiang ke » jiang ye, fang ke, wang ke
ke equal » one equal, _ equal, 6 equal
tong hui » wang hui

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang jiang ke equal credit ((trading risk) or (training course)) tong hui ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang jiang ke equal credit ((trading risk) OR (training course)) tong hui ;.
• Adding a wildcard symbol may retrieve word variants: wang jiang ke equal credit ((trading risk) or (training course)) tong hui ;*.