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 bin » dong sin, dann bin
wong yue » wang yue, hong yu
wan yan » wang yan, nan yan, wai yan
dong di » dong sin
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 (((dong bin) or (dong di)))) ka a risk training costs wong yue ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wan yan) OR (((dong bin) OR (dong di)))) ka a risk training costs wong yue ;.
• Adding a wildcard symbol may retrieve word variants: ((wan yan) or (((dong bin) or (dong di)))) ka a risk training costs wong yue ;*.