Perhaps you should try some spelling variations:
communication protocol » communication protocols, communication practices, communication policy
active communication » reactive communication, proactive communication, actions communication
et developpement » de developpement, le developpement, test development
developpement en » developpement et, developpement des, developpement de
information 2 » information 3
protocol et » protocol e, protocols etc, protocol eap
2.1 active » 1.1 active, 3.1 active, 6.1 active
2 2.1 » b 2.1, _ 2.1, a 2.1

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

• Adding a wildcard symbol may retrieve word variants: technologies _ information 2 2.1 active communication protocol et developpement en afrique.*.