Perhaps you should try some spelling variations:
downward communication » towards communication, aware communication, hazard communication
communication 3.3 » communication _, communication a, communication 1
technologies 4 » technologies _
4 information » 2 information, 1 information
information a » information age, information about
der downward » _ downward, a downward, 2.5 downward
a der » _ der, 2 der, 3 der
3.3 a » 3.3 _, 2.3 a, 4.3 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 a der downward communication 3.3 a development latin afrique.*.