Perhaps you should try some spelling variations:
downward communication » towards communication, aware communication, hazard communication
information costs » information contents, information centers, information content
le developpement » de developpement, sme development
developpement en » developpement et, developpement des, developpement de
technologies ct » technologies co, technologies art, technologies bit
ct information » cost information, get information, iot information
11.7 downward » 14.7 downward, 2.5 downward, 5.4 downward
costs 11.7 » costs 11.1, costs 11.4, costs 1.1.3

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

• Adding a wildcard symbol may retrieve word variants: technologies ct information costs 11.7 downward communication _ le developpement en afrique.*.