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 de » technologies _, technologies 4, technologies 2
information amp » information age, information a, information act
de information » die information, de informacion, e information
14.7 downward » 2.5 downward, 5.4 downward
4 developing » 3 developing
developing a » developing _
amp 14.7 » amp 146, aus 14.7
a africa » 1 africa, can africa, em africa
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 de information amp 14.7 downward communication 23.5 4 developing a africa.*.