Perhaps you should try some spelling variations:
crisis communication » risk communication, mass communication
des developpement » des developpements, de developpement, le developpement
information data » information d820, information database, information databases
technologies a » technologies _, technologies 4, technologies 2
a information » 2 information, 1 information
des afrique » en afrique, de l'afrique
4 crisis » 1 crisis, 3 crisis, 19 crisis

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

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