Perhaps you should try some spelling variations:
device communication » services communication, voice communication, mobile communication
leur developpement » le developpement, deux developpements, de developpement
des variation » does variation, de variation, der variation
variation 6 » variation _, variations _, variation des
deas device » real device, less devices
des afrique » en afrique, de l'afrique
6 deas » 6 ideas, 6 dead
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 6 deas device communication _ leur developpement des afrique.*.