Perhaps you should try some spelling variations:
downward communication » towards communication, aware communication, hazard communication
information costs » information contents, information centers, information content
communication 3.2 » communication 3.3, communication 3.4, communication 2
technologies 4 » technologies _
development li » development lid, development lie, development lin
4 information » 2 information, 1 information
5.4 downward » 2.5 downward, 14.7 downward, _ downward
li afrique » l afrique, en afrique
costs 5.4 » costs 4.4, costs 6.4, costs 2.4
3.2 a » 3.2 _, 2.2 a

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

• Adding a wildcard symbol may retrieve word variants: technologies 4 information costs 5.4 downward communication 3.2 a development li afrique.*.