Perhaps you should try some spelling variations:
device communication » services communication, voice communication, mobile communication
information needs » information networks
developpement il » developpement de, developpement et, developpement du
4 developpement » de developpement, le developpement, et developpement
technologies 2 » technologies _, technologies 4
must device » multi device, host device, must decide
needs must » needs east, needs test
il afrique » l afrique, en afrique
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 2 information needs must device communication costs 4 developpement il afrique.*.