Perhaps you should try some spelling variations:
training course » training courses
equal credit » dual credit, equity credit, rural credit
trading risk » trading case, trading room, funding risk
wang yang » wang yan, wang liang, wang yanling
ye equal » one equal, _ equal, 6 equal
hong shu » cong shu, tong shui, wong shiu
yang ye » yang yue, yang yi, yang y

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

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