Perhaps you should try some spelling variations:
voice communication » voice communications, mobile communication, device communication
das developpement » des developpements, de developpement, du developpement
information when » information what, information war, information wants
communication 3 » communication _, communication a
technologie de » technologies de, technologie der, technologie die
de information » die information, de informacion, e information
des afrique » en afrique, de l'afrique
when data » open data
3 das » 1 das, 2 das

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

• Adding a wildcard symbol may retrieve word variants: technologie de information when data voice communication 3 das developpement des afrique.*.