Perhaps you should try some spelling variations:
downward communication » towards communication, aware communication, hazard communication
information costs » information contents, information centers, information content
communication 4.1 » communication 4.3, communication 7.1, communication 1
technologies pro » technologies part, technologies pt, technologies art
pro information » do information, cargo information, form information
development lie » development life, development li, development lid
lie afrique » l afrique
4 downward » _ downward, a downward, 5.4 downward
costs 4 » costs _, costs a, costs 4.2
4.1 2 » 4.1 20, 4.1 _, 4.1 a

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 4 downward communication 4.1 2 development lie afrique.*.