Perhaps you should try some spelling variations:
downward communication » towards communication, aware communication, hazard communication
information costs » information contents, information centers, information content
communication 7.1 » communication 4.1, communication 1, communication 3.3
technologies pro » technologies part, technologies pt, technologies art
pro information » do information, cargo information, form information
development li » development lid, development lie, development lin
de downward » _ downward, a downward, 2.5 downward
li afrique » l afrique, en afrique
costs de » costs _, costs 4, costs a
7.1 2 » 7.1 _, 7.1 a, 2.1 2

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

• Adding a wildcard symbol may retrieve word variants: technologies pro information costs de downward communication 7.1 2 development li afrique.*.