Perhaps you should try some spelling variations:
device communication » services communication, voice communication, mobile communication
das developpement » des developpements, de developpement, du developpement
developpement de » developpement des, developpement durable
typologie der » typologie des, ideologie der
der variation » de variation, does variation, die variation
variation 6 » variation _, variations _, variation des
dem device » tpm device
6 dem » 6 der, _ dem, 6 de
a das » 1 das, 2 das, 3 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 6 dem device communication a das developpement de l'afrique.*.