Perhaps you should try some spelling variations:
voice communication » voice communications, mobile communication, device communication
das developpement » des developpements, de developpement, du developpement
developpement en » developpement et, developpement des, developpement de
communication 2 » communication _, communication a, communication 3
typologie der » typologie des, ideologie der
der variation » de variation, does variation, die variation
variation des » variation _, variation 6, variation series
new voice » new voices, one voice
2 das » 1 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 new voice communication 2 das developpement en afrique.*.