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
den crisis » de crisis, debt crisis, deep crisis
media de » media die, media der, media diet
des den » es den, des dem, des der

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

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