Perhaps you should try some spelling variations:
information channels » information exchanges, informal channels, information centers
face communication » voice communication, de communication, time communication
communication 3.4 » communication 3.3, communication 2.4, communication 3.2
technologies 4 » technologies _
4 information » 2 information, 1 information
3 developing » 3 development
developing l » developing l2, developing _, developing a
channels 3 » channels _, channels 4, channel 3
l afrique » en afrique
3 face » 3 faces, 43 face, _ face
3.4 3 » 3.4 _, 3.4 a, 3.4 k

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

• Adding a wildcard symbol may retrieve word variants: technologies 4 information channels 3 face communication 3.4 3 developing l afrique.*.