Perhaps you should try some spelling variations:
device communication » services communication, voice communication, mobile communication
die developpement » de developpement, le developpement, du developpement
developpement l » developpement il, developpement la, developpement de
des variation » does variation, de variation, der variation
variation des » variation _, variation 6, variation series
deas device » real device, less devices
l afrique » en afrique
des deas » des des, des degats, des delays
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 des deas device communication _ die developpement l afrique.*.