Perhaps you should try some spelling variations:
communication network » communication networks, communications network, communications networks
estate information » state information, states information, rate information
technology estate » technology state, technology debate, technology elite
developpement en » developpement et, developpement des, developpement de
a communication » la communication, data communication, data communications
1 developpement » de developpement, le developpement, et developpement
network 1 » network _, network 3
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 estate information 3.2 acts a communication network 1 developpement en afrique.*.