Perhaps you should try some spelling variations:
device communication » services communication, voice communication, mobile communication
developpement et » developpement des, developpement de, development east
des variation » does variation, de variation, der variation
variation 6 » variation _, variations _, variation des
deas device » real device, less devices
et afrique » en afrique, l afrique
6 deas » 6 ideas, 6 dead
a des » a das
a der » _ der, 2 der, 3 der
typologie » typologies, typology

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "typologie des variation 6 deas device communication ((a des) OR (a der)) developpement et afrique.~".
• Adding a wildcard symbol may retrieve word variants: typologie des variation 6 deas device communication ((a des) OR (a der)) developpement et afrique.*.