Perhaps you should try some spelling variations:
technological features » technological resources, technological factors, technological changes
features information » resources information, states information, requires information
voice communication » voice communications, mobile communication, device communication
information costs » information contents, information centers, information content
l developpement » le developpement, de developpement, et developpement
developpement l » developpement il, developpement la, developpement de
l afrique » en afrique
costs 3 » costs _, costs 4, costs a
3 voice » 3 voices, _ voice, a voice
a l » a la

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

• Adding a wildcard symbol may retrieve word variants: technological features information costs 3 voice communication a l developpement l afrique.*.