Perhaps you should try some spelling variations:
voice communication » voice communications, mobile communication, device communication
technologien does » technologien des, technologien als, technologie de
des developpement » des developpements, de developpement, le developpement
does information » des informations, dis information, users information
information when » information what, information war, information wants
developpement en » developpement et, developpement des, developpement de
communication 3 » communication _, communication a
when data » open data
3 des » 3 der, 3 das, a des

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

• Adding a wildcard symbol may retrieve word variants: technologien does information when data voice communication 3 des developpement en afrique.*.