Perhaps you should try some spelling variations:
crisis communication » risk communication, mass communication
us developpement » un developpement, de developpement, le developpement
developpement de » developpement des, developpement durable
des variation » does variation, de variation, der variation
variation a » variation _, variation 6, variation 5
de afrique » de l'afrique, en afrique, l afrique
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 de afrique.*.