Perhaps you should try some spelling variations:
communication network » communication networks, communications network, communications networks
user developpement » de developpement, le developpement, et developpement
technologies new » technologies _, technologies 4, technologies 2
developpement en » developpement et, developpement des, developpement de
new information » 2 information
network user » network users, network based, network using
about de » about due, about dead, about debt

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies new information about de _ communication network user developpement en afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies new information about de _ communication network user developpement en afrique.*.