Perhaps you should try some spelling variations:
mobile communications » mobile communication
des developpement » des developpements, de developpement, le developpement
communications a » communications _, communications law, communications media
developpement en » developpement et, developpement des, developpement de
des variation » does variation, de variation, der variation
variation der » variation des, variation bei, variation _
typology des » typologie des, typologie der, typology _
does mobile » das mobile
a des » a der, a das

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

• Adding a wildcard symbol may retrieve word variants: typology des variation der does mobile communications a des developpement en afrique.*.