Perhaps you should try some spelling variations:
actors communication » actions communication, active communication, networks communication
information costs » information contents, information centers, information content
communication 1 » communication _, communication a, communication 3
technologies 4 » technologies _
development do » development doi, development d, development ds
4 information » 2 information, 1 information
1 development » 2 development, 3.1 development, mena development
one actors » ones factors, more actors, new actors
do african » two african, _ african, 1 african
costs one » costs money, costs only, costs over

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

• Adding a wildcard symbol may retrieve word variants: technologies 4 information costs one actors communication 1 1 development do african.*.