Perhaps you should try some spelling variations:
voice communications » mobile communications, guinea communications, online communications
des developpement » des developpements, de developpement, le developpement
communications a » communications _, communications law, communications media
typologie der » typologie des, ideologie der
der variation » de variation, does variation, die variation
variation des » variation _, variation 6, variation series
des afrique » en afrique, de l'afrique
des deas » des des, des degats, des delays
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: typologie der variation des deas voice communications a des developpement des afrique.*.