Perhaps you should try some spelling variations:
communications networks » communication networks, telecommunications networks, telecommunications network
a communications » a communication, data communications, a communicative
developpement du » developpement de, developpement des, developpement et
1 developpement » de developpement, le developpement, et developpement
4 information » 2 information, 1 information
technology 4 » technology _, technology 1, technology 3
networks 1 » networks _
du afrique » en afrique, l afrique, de l'afrique
3.2 acts » 3.2 facts, 3.2 acute, 3.2 art
acts a » facts a, acts _, acts 4

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

• Adding a wildcard symbol may retrieve word variants: technology 4 information 3.2 acts a communications networks 1 developpement du afrique.*.