Perhaps you should try some spelling variations:
communications networks » communication networks, telecommunications networks, telecommunications network
a communications » a communication, data communications, a communicative
au developpement » du developpement, de developpement, le developpement
developpement de » developpement des, developpement durable
ptt information » plot information, ct information, get information
technology ptt » technology pt, technology pbf, technology paths
networks au » networks a, networks a4, networks 1
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 ptt information 3.2 acts a communications networks au developpement de l'afrique.*.