Perhaps you should try some spelling variations:
voice communication » voice communications, mobile communication, device communication
information needs » information networks
technologies und » technologie und, technologien und, technologies under
und information » fund information, road information, award information
4 developpement » de developpement, le developpement, et developpement
developpement l » developpement il, developpement la, developpement de
l afrique » en afrique
needs 3 » needs _, needs a
3 voice » 3 voices, _ voice, a voice
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technologies und information needs 3 voice communication costs 4 developpement l afrique.*.