Perhaps you should try some spelling variations:
training course » training courses
trading risk » trading case, trading room, funding risk
dual credit » rural credit, deals credit, equal credit
tong shui » tong hui, cong shu, gong hui
lang yan » wang yan, wang yang, zhang yan
hong shu » cong shu, wong shiu, hong seo
3 dual » _ dual, a dual
yan 3 » man 3, yan _, aan 3

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

• Performing a fuzzy search may retrieve terms with similar spellings: lang yan 3 dual credit ((trading risk) or (training course)) ((hong shu) or (tong shui)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: lang yan 3 dual credit ((trading risk) OR (training course)) ((hong shu) OR (tong shui)) ;.
• Adding a wildcard symbol may retrieve word variants: lang yan 3 dual credit ((trading risk) or (training course)) ((hong shu) or (tong shui)) ;*.