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
des variation » does variation, de variation, der variation
variation bei » variation des, variation der, variation _
typology des » typologie des, typologie der, typology _
does mobile » das mobile
des afrique » en afrique, de l'afrique
bei does » being does, behn does, bei der
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 bei does mobile communications a des developpement des afrique.*.