Perhaps you should try some spelling variations:
device communication » services communication, voice communication, mobile communication
der developpement » de developpement, des developpements, leur developpement
developpement de » developpement des, developpement durable
des variation » does variation, de variation, der variation
variation 6 » variation _, variations _, variation des
deas device » real device, less devices
de afrique » de l'afrique, en afrique, l afrique
6 deas » 6 ideas, 6 dead
a der » _ der, 2 der, 3 der
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 a der developpement de afrique.*.