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 do » technologies de, technologies box, technologies daf
development lin » development li, development lid, development lie
do information » 2 information, 1 information, 3 information
lin afrique » en afrique, l afrique
4 downward » _ downward, a downward, 5.4 downward
costs 4 » costs _, costs a, costs 4.2
7.1 a » 2.1 a, 7.1 _, 3.1 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 4 downward communication 7.1 a development lin afrique.*.