Perhaps you should try some spelling variations:
crisis communication » risk communication, mass communication
series information » business information
des developpements » deux developpements, de developpement, et developpements
information needs » information networks
pre crisis » price crisis
needs pre » needs more, needs one
a des » a der, a das

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

• Adding a wildcard symbol may retrieve word variants: technology series information needs pre crisis communication a des developpements _ america.*.