Perhaps you should try some spelling variations:
training cost » training costs, training course, trading costs
risk training » risk taking, re training, firm training
dong skin » dong sin
cost hong » cost housing
dong bin » dong sin, dong di
hong ghi » hong g, hong hai
wan yan » wang yan, wang yang
a risk » _ risk
ya a » a a, ka 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 skin) OR (dong bin)))) ya a risk training cost hong ghi ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wan yan) OR (((dong skin) OR (dong bin)))) ya a risk training cost hong ghi ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wan yan) or (((dong skin) OR (dong bin)))) ya a risk training cost hong ghi ;".
• Adding a wildcard symbol may retrieve word variants: ((wan yan) or (((dong skin) OR (dong bin)))) ya a risk training cost hong ghi ;*.