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
hong shu » cong shu, tong shui, wong shiu
y equal » _ equal, 6 equal, e equals
yang y » yang yi, yang _, yang 8

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

• If you are trying to use Boolean operators, they must be ALL CAPS: wang yang y equal credit ((training risk) OR (training courses)) hong shu ;~.
• Adding a wildcard symbol may retrieve word variants: wang yang y equal credit ((training risk) or (training courses)) hong shu ;*.