Perhaps you should try some spelling variations:
downward communication » towards communication, aware communication, hazard communication
information costs » information contents, information centers, information content
communication 6.5 » communication 5.5, communication 6.2, communication 6.1
technologies do » technologies de, technologies box, technologies daf
do information » 2 information, 1 information, 3 information
development l » development li, development 1, development law
2.5 downward » 5.4 downward, 14.7 downward, _ downward
costs 2.5 » costs 2.3, costs 3.5, cost 2.5
l afrique » en afrique
6.5 a » 6.5 _, 2.5 a, 4.5 a

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

• Adding a wildcard symbol may retrieve word variants: technologies do information costs 2.5 downward communication 6.5 a development l afrique.*.