Perhaps you should try some spelling variations:
downward communication » towards communication, aware communication, hazard communication
communication 7.1 » communication 4.1, communication 1, communication 3.3
technologies de » technologies _, technologies 4, technologies 2
information age » information storage, information access, information about
development lid » development led, development li, development lie
de information » die information, de informacion, e information
lid afrique » l afrique
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 de information age _ downward communication 7.1 2 development lid afrique.*.