Perhaps you should try some spelling variations:
communications network » communications networks, communication network, communication networks
information cases » information case, information classes, information costs
14 communications » 10 communications, 14 communication, 4 communications
technologies 4 » technologies _
4 information » 2 information, 1 information
development l » development li, development 1, development law
l afrique » en afrique
des 14 » des 19, des 18, des 17

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

• Adding a wildcard symbol may retrieve word variants: technologies 4 information cases des 14 communications network _ development l afrique.*.