Perhaps you should try some spelling variations:
device communication » services communication, voice communication, mobile communication
die developpement » de developpement, le developpement, du developpement
communication 2 » communication _, communication a, communication 3
typologien der » typologie der, typologie des, apologien der
der variation » de variation, does variation, die variation
des afrique » en afrique, de l'afrique
vs device » _ device, a device, 4 device

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

• Adding a wildcard symbol may retrieve word variants: typologien der variation _ vs device communication 2 die developpement des afrique.*.