Perhaps you should try some spelling variations:
training risk » trading risk, training crisis, defining risk
training cost » training costs, training course, training courses
equal credit » dual credit, equity credit, rural credit
wang yang » wang yan, wang liang, wang yanling
long shu » cong shu, tong shui, long du
wan yan » wang yan, nan yan, wai yan
y equal » _ equal, 6 equal, e equals

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

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