Perhaps you should try some spelling variations:
device communication » services communication, voice communication, mobile communication
des developpement » des developpements, de developpement, le developpement
developpement de » developpement des, developpement durable
des variation » does variation, de variation, der variation
variation des » variation _, variation 6, variation series
real device » real devices, legal devices, final device
de afrique » de l'afrique, en afrique, l afrique
des real » des realen, des rent
a des » a der, a das
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 real device communication a des developpement de afrique.*.