Perhaps you should try some spelling variations:
crisis communication » risk communication, mass communication
us developpement » un developpement, de developpement, le developpement
developpement en » developpement et, developpement des, developpement de
des variation » does variation, de variation, der variation
variation a » variation _, variation 6, variation 5
a las » a los, y las, a law
typologie » typologies, typology

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

• Adding a wildcard symbol may retrieve word variants: typologie des variation a las crisis communication _ us developpement en afrique.*.