Perhaps you should try some spelling variations:
training cost » training costs, training course, training courses
risk training » risk taking, bank training, risk planning
dong skin » dong sin, dong bin, dof skin
cost hong » cost housing
wan yan » wang yan, nan yan, wai yan
hong g » hong ng, hong w, hong 7
ya a » a a, y a, ye a

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((wan yan) OR (dong skin)) ya a risk training cost hong g ;~.
• Adding a wildcard symbol may retrieve word variants: ((wan yan) or (dong skin)) ya a risk training cost hong g ;*.