Perhaps you should try some spelling variations:
cell communication » cell communications, oral communication, verbal communication
bad developpement » au developpement, de developpement, le developpement
des variation » does variation, de variation, der variation
variation der » variation des, variation bei, variation _
des afrique » en afrique, de l'afrique
media bad » media based, media brand, media bias
der cell » der celen, does cell, dry cell
der der » oder der, der de, der den
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 der der cell communication media bad developpement des afrique.*.