Perhaps you should try some spelling variations:
device communication » services communication, voice communication, mobile communication
das developpement » des developpements, de developpement, du developpement
der variations » der variation, 1er variations, ier variations
typologie der » typologie des, ideologie der
des afrique » en afrique, de l'afrique
dem device » tpm device
a das » 1 das, 2 das, 3 das

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

• Adding a wildcard symbol may retrieve word variants: typologie der variations _ dem device communication a das developpement des afrique.*.