Perhaps you should try some spelling variations:
training course » training courses
training risk » trading risk, training crisis, defining risk
equal credit » dual credit, equity credit, rural credit
wang liang » wang yang
liang so » liang sun, liang _, liang li
so equal » two equal, _ equal, 6 equal
hong shu » cong shu, tong shui, wong shiu

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

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