Perhaps you should try some spelling variations:
training risk » trading risk, training crisis, defining risk
equal credit » dual credit, equity credit, rural credit
wang yang » wang yan, wang liang, wang yanling
y.c equal » 1.4 equal, 2.3 equal, 3.3 equal
tong shui » tong hui, cong shu, gong hui
yang y.c » yang yi, yang yao, yang 4.3

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

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