Perhaps you should try some spelling variations:
downward communication » towards communication, aware communication, hazard communication
communication 23.5 » communication 23.3, communication 24.5, communication 2.3.3
technologies co » technologies _, technologies 4, technologies 2
information amp » information age, information a, information act
co information » do information, 2 information, 1 information
2.5 downward » 5.4 downward, 14.7 downward, _ downward
4 developing » 3 developing
developing a » developing _
a africa » 1 africa, can africa, em africa
amp 2.5 » sump 2.5
23.5 4 » 23.5 _

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

• Adding a wildcard symbol may retrieve word variants: technologies co information amp 2.5 downward communication 23.5 4 developing a africa.*.