Perhaps you should try some spelling variations:
time communication » de communication, mobile communication, online communication
technologies used » technologies based, technology used, technologies _
information needs » information networks
used information » user information, use information, based information
et developpement » de developpement, le developpement, test development
developpement de » developpement des, developpement durable
communication 5 » communication _, communication a, communication 3
de afrique » de l'afrique, en afrique, l afrique
needs 4.5 » needs 4.3
4.5 time » 5.5 time, 6.5 time, 3.5 time
5 et » 5 set, 5 get, 5 het

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

• Adding a wildcard symbol may retrieve word variants: technologies used information needs 4.5 time communication 5 et developpement de afrique.*.