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 jong » hong kong
lang yan » wang yan, wang yang, zhang yan
dong bin » dong sin, dong di, dann bin
ya a » a a, y a, ye a

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

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