Perhaps you should try some spelling variations:
device communication » services communication, voice communication, mobile communication
de developpement » sme development
developpement de » developpement des, developpement durable
typologien der » typologie der, typologie des, apologien der
der variation » de variation, does variation, die variation
variation 6 » variation _, variations _, variation des
de afrique » de l'afrique, en afrique, l afrique
vs device » _ device, a device, 4 device
6 vs » _ vs, 1 vs, 6 os
a de » a die, a der, a des

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

• Adding a wildcard symbol may retrieve word variants: typologien der variation 6 vs device communication a de developpement de afrique.*.