Perhaps you should try some spelling variations:
training course » training courses
training risk » trading risk, training crisis, defining risk
dual credit » rural credit, deals credit, equal credit
hong shu » cong shu, tong shui, wong shiu
yang y » yang yi, yang _, yang 8
yan y » yan _, yan 4
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 ((yan y) OR (yang y)) dual credit ((training risk) or (training course)) hong shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((yan y) OR (yang y)) dual credit ((training risk) OR (training course)) hong shu ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ((yan y) OR (yang y)) dual credit ((training risk) or (training course)) hong shu ;".
• Adding a wildcard symbol may retrieve word variants: wang ((yan y) OR (yang y)) dual credit ((training risk) or (training course)) hong shu ;*.