Perhaps you should try some spelling variations:
communication series » communication services, communication systems, communication skills
actors communication » actions communication, active communication, networks communication
information 1.2 » information 1.5.2, information 2
technologies 3 » technologies _, technologies 4, technologies 2
3 information » 1 information
3 actors » _ actors
series a » series _, series 1, series 2
1.2 3 » 1.2 _, 1.2 a, 1.2 r

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

• Adding a wildcard symbol may retrieve word variants: technologies 3 information 1.2 3 actors communication series a development policy africa.*.