Perhaps you should try some spelling variations:
training costs » trading costs, training courses, training course
risk training » risk taking, re training, firm training
costs hong » costs how
dong skin » dong sin, dong bin
hong shu » hong seo, hong yu, hong ghi
wan yan » wang yan, wang yang
a risk » _ risk
ka a » a a, k a

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((wan yan) or (dong skin)) ka a risk training costs hong shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wan yan) OR (dong skin)) ka a risk training costs hong shu ;.
• Adding a wildcard symbol may retrieve word variants: ((wan yan) or (dong skin)) ka a risk training costs hong shu ;*.