Perhaps you should try some spelling variations:
crisis communication » risk communication, mass communication
de developpement » sme development
variation des » variation _, variation 6, variation series
des afrique » en afrique, de l'afrique
pre crisis » price crisis
media de » media die, media der, media diet
des pre » does pre, des pro, des prq

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

• Adding a wildcard symbol may retrieve word variants: typologies _ variation des pre crisis communication media de developpement des afrique.*.