Perhaps you should try some spelling variations:
rating cost » trading cost, rising cost, rating case
risk rating » risk taking, risk sharing
cost hong » cost housing
dong bin » dong sin, dong di, dann bin
hong yu » wong yue
ya a » a a, ye a, yu a
y a » y la
wang » wan, 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 wing) yan) or (dong bin)) ((ya a) or (y a)) risk rating cost hong yu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((wang OR wing) yan) OR (dong bin)) ((ya a) OR (y a)) risk rating cost hong yu ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((wang OR wing) yan) or (dong bin)) ((ya a) or (y a)) risk rating cost hong yu ;".
• Adding a wildcard symbol may retrieve word variants: (((wang OR wing) yan) or (dong bin)) ((ya a) or (y a)) risk rating cost hong yu ;*.