Perhaps you should try some spelling variations:
downward communication » towards communication, aware communication, hazard communication
communication 3.2 » communication 3.3, communication 3.4, communication 2
technologies 4 » technologies _
4 information » 2 information, 1 information
3 developing » 3 development
developing a » developing _
contents a » contents 1, contents _, contents i
a downward » _ downward
a afrique » l afrique, en afrique
3.2 3 » 3.2 3d, 3.2 _, 3.2 a

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

• Adding a wildcard symbol may retrieve word variants: technologies 4 information contents a downward communication 3.2 3 developing a afrique.*.