Perhaps you should try some spelling variations:
communication network » communication networks, communications network, communications networks
information needs » information networks
a communication » la communication, data communication, data communications
technologies a » technologies _, technologies 4, technologies 2
a information » 2 information, 1 information
a afrique » l afrique, en afrique
needs de » needs men, needs one, needs _
de a » de la, de sa, der a

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies a information needs de a communication network _ development a afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies a information needs de a communication network _ development a afrique.*.