Perhaps you should try some spelling variations:
communications network » communications networks, communication network, communication networks
debate information » debt information, adequate information, device information
technology debate » technology debts, technology related, technology state
4 communications » 14 communications, 4 communication, 2 communications
developpement en » developpement et, developpement des, developpement de
a developpement » au developpement, de developpement, le developpement
network a » network _, network 3, network 1
3.2 acts » 3.2 facts, 3.2 acute, 3.2 art
acts 4 » acts _, acts 5, acts a

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

• Adding a wildcard symbol may retrieve word variants: technology debate information 3.2 acts 4 communications network a developpement en afrique.*.