Perhaps you should try some spelling variations:
downward communication » towards communication, aware communication, hazard communication
technologies plant » technologies part, technologies past, technologies places
plant information » land information, plot information, client information
communication 2.4 » communication 3.3, communication 4, communication _
developpement en » developpement et, developpement des, developpement de
information age » information storage, information access, information about
a developpement » au developpement, de developpement, le developpement
2.4 a » 2.4 _, 2.1 a, 2.2 a

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

• Adding a wildcard symbol may retrieve word variants: technologies plant information age _ downward communication 2.4 a developpement en afrique.*.