Perhaps you should try some spelling variations:
downward communication » towards communication, aware communication, hazard communication
information age » information storage, information access, information about
communication 4 » communication _, communication a, communication 3
technologies 4 » technologies _
7.3.7 downward » 14.7 downward
4 information » 2 information, 1 information
developing e » developing _, developing a, developing east
age 7.3.7 » age 3.7, age 5.3.1, age 5.3.2
e afrique » en afrique, l afrique, de l'afrique

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

• Adding a wildcard symbol may retrieve word variants: technologies 4 information age 7.3.7 downward communication 4 _ developing e afrique.*.