Perhaps you should try some spelling variations:
voice communication » voice communications, mobile communication, device communication
le developpement » de developpement, sme development
typologie der » typologie des, ideologie der
der variation » de variation, does variation, die variation
variation 6 » variation _, variations _, variation des
des afrique » en afrique, de l'afrique
dem voice » new voice
6 dem » 6 der, _ dem, 6 de
a le » a les, a la, a l

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 voice communication a le developpement des afrique.*.