Perhaps you should try some spelling variations:
actors communication » actions communication, active communication, networks communication
communication 3.3 » communication _, communication a, communication 1
information cost » information costs, information lost, information case
development can » development case, development co, development canada
k development » 2 development, 3 development, 1 development
one actors » ones factors, more actors, new actors
can africa » urban africa
cost one » coast one, cost open, just one
3.3 k » 3.3 _, 3.3 a, 3.1 k

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

• Adding a wildcard symbol may retrieve word variants: technologies _ information cost one actors communication 3.3 k development can africa.*.