Perhaps you should try some spelling variations:
training costs » trading costs, training courses, training course
risk training » risk taking, bank training, risk planning
costs wong » costs along, costs among, costs longer
dong skin » dong sin, dong bin, dof skin
wong shiu » wong siu, cong shu, song shin
wan yan » nan yan, wai yan, wang yang
ka a » kai a, k a, 1a a
a a » a la

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 (wang yan))) or (dong skin)) ((ka a) or (a a)) risk training costs wong shiu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((wan yan) OR (wang yan))) OR (dong skin)) ((ka a) OR (a a)) risk training costs wong shiu ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((wan yan) OR (wang yan))) or (dong skin)) ((ka a) or (a a)) risk training costs wong shiu ;".
• Adding a wildcard symbol may retrieve word variants: ((((wan yan) OR (wang yan))) or (dong skin)) ((ka a) or (a a)) risk training costs wong shiu ;*.