Perhaps you should try some spelling variations:
downward communication » towards communication, aware communication, hazard communication
communication 3.4 » communication 3.3, communication 2.4, communication 3.2
information art » information part, information mart, information act
14.7 downward » 2.5 downward, 5.4 downward
a developing » a development
developing l » developing l2, developing _, developing a
l afrique » en afrique
art 14.7 » art 14.3, art 14.9, art 4.2
3.4 a » 3.4 _, 3.2 a, 3.1 a

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

• Adding a wildcard symbol may retrieve word variants: technologies _ information art 14.7 downward communication 3.4 a developing l afrique.*.