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
hong long » hong kong, hong jong, hong hong
dong bin » dong sin, dong di, dann bin
ya a » a a, y a, yu a
ye a » yet a, e a, me a
u a » up a, eu a, uk a
wang » wing, lang

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

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