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
needs der » needs men
a afrique » l afrique, en afrique
der a » der _, der e

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 der a communication network _ development a afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies a information needs der a communication network _ development a afrique.*.