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 yang » wang yan, wang liang, wang yanling
lin equal » can equal
yang lin » yang jin, wang lin, yang li
hong shu » tong shui, wong shiu, hong seo

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 lin equal credit ((training risk) or (training course)) ((hong shu) OR (cong shu)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yang lin equal credit ((training risk) OR (training course)) ((hong shu) OR (cong shu)) ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yang lin equal credit ((training risk) or (training course)) ((hong shu) OR (cong shu)) ;".
• Adding a wildcard symbol may retrieve word variants: wang yang lin equal credit ((training risk) or (training course)) ((hong shu) OR (cong shu)) ;*.