Perhaps you should try some spelling variations:
crisis communication » risk communication, mass communication
information needs » information networks
des developpement » des developpements, de developpement, le developpement
communication 18 » communication 1, communication 10, communication 11
technologies 4 » technologies _
4 information » 2 information, 1 information
des afrique » en afrique, de l'afrique
pre crisis » price crisis
needs pre » needs more, needs one
18 des » 18 der, 10 des, 11 des

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

• Adding a wildcard symbol may retrieve word variants: technologies 4 information needs pre crisis communication 18 des developpement des afrique.*.