Perhaps you should try some spelling variations:
training risk » training crisis, defining risk, training ai
training cost » training costs, training course, training courses
equal credit » dual credit, equity credit, rural credit
trading risk » trading case, trading room, funding risk
y equal » _ equal, 6 equal, e equals
yan y » yang y, yan _, yan 4
wang » wing, wan, lang
cong » congo, long, hong

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yan y equal credit ((((training risk) OR (trading risk))) or (training cost)) cong shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yan y equal credit ((((training risk) OR (trading risk))) OR (training cost)) cong shu ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yan y equal credit ((((training risk) OR (trading risk))) or (training cost)) cong shu ;*".