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
hong shu » cong shu, tong shui, wong shiu
6 equal » _ equal, 6.2 equal, e equals
wang » wing, wan, lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yanling 6 equal credit ((training risk) or (training course)) hong shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yanling 6 equal credit ((training risk) OR (training course)) hong shu ;.
• Adding a wildcard symbol may retrieve word variants: wang yanling 6 equal credit ((training risk) or (training course)) hong shu ;*.