Perhaps you should try some spelling variations:
device communication » services communication, voice communication, mobile communication
de developpement » sme development
typologies der » typologie der, typologien der, typologie des
der variation » de variation, does variation, die variation
variation 6 » variation _, variations _, variation des
dead device » end device, real device, load devices
des afrique » en afrique, de l'afrique
6 dead » _ dead, a dead, 1 dead
a de » a die, a der, a des

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

• Adding a wildcard symbol may retrieve word variants: typologies der variation 6 dead device communication a de developpement des afrique.*.