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
de information » die information, de informacion, e information
information a » information age, information about
1.3 downward » 14.7 downward, 2.5 downward, 5.4 downward
developing 1 » developing _, developing a, developing e
a 1.3 » a 3.3, _ 1.3, a 1.1

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

• Adding a wildcard symbol may retrieve word variants: technologies de information a 1.3 downward communication 23.5 _ developing 1 africa.*.