Perhaps you should try some spelling variations:
voice communication » voice communications, mobile communication, device communication
communication 3 » communication _, communication a
a developpement » au developpement, de developpement, le developpement
developpement l » developpement il, developpement la, developpement de
der variation » de variation, does variation, die variation
typology der » typologie der, typologien der, typologie des
new voice » new voices, one voice
l afrique » en afrique

You may be able to get more results by adjusting your search query.

• Adding a wildcard symbol may retrieve word variants: typology der variation _ new voice communication 3 a developpement l afrique.*.