Perhaps you should try some spelling variations:
crisis prevention » crises prevention, crimes prevention, crime prevention
commercial model » commercial codes, commercial market, commercial forest
die prevention » de prevention, die pravention, fire prevention
des crisis » de crisis, des crises, debt crisis
code des » code de
code die » code de, code file, code d

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( commercial code des crisis prevention ) or ( commercial model code die prevention ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( commercial code des crisis prevention ) OR ( commercial model code die prevention )).
• Adding a wildcard symbol may retrieve word variants: (( commercial code des crisis prevention ) or ( commercial model code die prevention ))*.