Perhaps you should try some spelling variations:
actors communication » actions communication, active communication, networks communication
technologies do » technologies de, technologies box, technologies daf
do information » 2 information, 1 information, 3 information
developing em » developing e, developing eq, developing amp
contents new » contexts new, contents how, contents je
4 developing » 3 developing
em africa » 1 africa
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technologies do information contents new actors communication costs 4 developing em africa.*.