Perhaps you should try some spelling variations:
downward communication » towards communication, aware communication, hazard communication
information channels » information exchanges, informal channels, information centers
communication 3.2 » communication 3.3, communication 3.4, communication 2
4 developing » 3 developing
developing l » developing l2, developing _, developing a
channels 3 » channels _, channels 4, channel 3
3 downward » _ downward, a downward, 2.5 downward
l afrique » en afrique
3.2 4 » 3.2 _, 3.2 a, 3.2 k

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

• Adding a wildcard symbol may retrieve word variants: technologies _ information channels 3 downward communication 3.2 4 developing l afrique.*.