Perhaps you should try some spelling variations:
training cost » training costs, training course, training courses
risk training » risk taking, bank training, risk planning
cost hong » cost housing
dong bin » dong sin, dong di, dann bin
hong ng » hong kong, hong jong, hong hong
ya a » a a, y a, yu a
ye a » yet a, e a, me 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 (ye a)) risk training cost hong ng ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((wang OR wan) yan) OR (dong bin)) ((ya a) OR (ye a)) risk training cost hong ng ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((wang OR wan) yan) or (dong bin)) ((ya a) or (ye a)) risk training cost hong ng ;".
• Adding a wildcard symbol may retrieve word variants: (((wang OR wan) yan) or (dong bin)) ((ya a) or (ye a)) risk training cost hong ng ;*.