Perhaps you should try some spelling variations:
communication protocol » communication protocols, communication practices, communication policy
machine communication » machine communications, vaccine communication, teaching communication
5 developpement » de developpement, le developpement, et developpement
developpement l » developpement il, developpement la, developpement de
information a » information age, information about
protocol 5 » protocols 5, protocol 35, protocol _
l afrique » en afrique
a 2.1 » b 2.1, _ 2.1, a 4.1

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

• Adding a wildcard symbol may retrieve word variants: technologies _ information a 2.1 machine communication protocol 5 developpement l afrique.*.