Perhaps you should try some spelling variations:
training course » training courses
equity credit » liquidity credit
training risk » trading risk, training crisis, defining risk
equal credit » dual credit, rural credit, total credit
wang ling » wang liang, wang jing, wang ning
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 ling li ((equal credit) or (equity credit)) ((training risk) or (training course)) hong shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang ling li ((equal credit) OR (equity credit)) ((training risk) OR (training course)) hong shu ;.
• Adding a wildcard symbol may retrieve word variants: wang ling li ((equal credit) or (equity credit)) ((training risk) or (training course)) hong shu ;*.