Perhaps you should try some spelling variations:
downward communication » towards communication, aware communication, hazard communication
communication 3.1 » communication 3.3, communication 3.2, communication 3.4
information art » information part, information mart, information act
4.2 downward » 14.7 downward, 2.5 downward, 5.4 downward
a developing » a development
developing l » developing l2, developing _, developing a
l afrique » en afrique
3.1 a » 3.1 _, 2.1 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 4.2 downward communication 3.1 a developing l afrique.*.