Perhaps you should try some spelling variations:
training costs » trading costs, training courses, training course
risk training » risk taking, bank training, risk planning
costs down » costs how
wang yang » wang yan, wang liang, wang yanling
down shu » down cpu, down so, down why
ka a » kai 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: ((wang yang) or (dof skin)) ka a risk training costs down shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang yang) OR (dof skin)) ka a risk training costs down shu ;*.