Perhaps you should try some spelling variations:
device communication » services communication, voice communication, mobile communication
des developpement » des developpements, de developpement, le developpement
developpement et » developpement des, developpement de, development east
der variations » der variation, 1er variations, ier variations
typologie der » typologie des, ideologie der
deas device » real device, less devices
et afrique » en afrique, l afrique
a des » a der, a 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 _ deas device communication a des developpement et afrique.*.