Perhaps you should try some spelling variations:
training costs » trading costs, training courses, training course
risk training » risk taking, bank training, risk planning
costs hong » costs along, costs among, costs how
dong skin » dong sin, dong bin, dof skin
hong shu » cong shu, tong shui, wong shiu
wan yan » wang yan, nan yan, wang yang
wai yan » wang yan, wei yang
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: ((((wan yan) OR (wai 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 (wai yan))) OR (dong skin)) ka a risk training costs hong shu ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((wan yan) OR (wai yan))) or (dong skin)) ka a risk training costs hong shu ;*".