Perhaps you should try some spelling variations:
communications networks » communication networks, telecommunications networks, telecommunications network
4 communications » 14 communications, 4 communication, 2 communications
developpement en » developpement et, developpement des, developpement de
2 developpement » de developpement, le developpement, et developpement
technologies 2 » technologies _, technologies 4
information 2 » information 3
networks 2 » networks _, networks 1, networks a
die 4 » die _, die e

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information 2 die 4 communications networks 2 developpement en afrique.*.