Perhaps you should try some spelling variations:
crisis communication » risk communication, mass communication
dam developpement » de developpement, du developpement, au developpement
des variation » does variation, de variation, der variation
text crisis » next crisis, debt crisis, great crisis
des afrique » en afrique, de l'afrique
a dam » a das, a day, _ dam
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 _ text crisis communication a dam developpement des afrique.*.