Perhaps you should try some spelling variations:
device communication » services communication, voice communication, mobile communication
communication 3 » communication _, communication a
sme development » trade development
development des » development does, development desd, development ds
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
der device » der service, user device, user devices
6 der » _ der, 2 der, 3 der
3 sme » 3 same, _ sme, 3 smt

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 der device communication 3 sme development des afrique.*.