Perhaps you should try some spelling variations:
device communication » services communication, voice communication, mobile communication
technologien des » technologien fur, technologien und, technologies 2
de developpement » sme development
developpement de » developpement des, developpement durable
des information » des informations, does information, dis information
communication 1 » communication _, communication a, communication 3
access ring » access using, access pricing, access trading
ring device » line device, framing device, triage device
de afrique » de l'afrique, en afrique, l afrique
1 de » 1 die, 1 der, _ de

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

• Adding a wildcard symbol may retrieve word variants: technologien des information access ring device communication 1 de developpement de afrique.*.