Perhaps you should try some spelling variations:
information content » information contents, information centers, information centre
de communication » mobile communication, online communication
technologies 2 » technologies _, technologies 4
content since » context since, context single, content some
4 developing » 3 developing
developing v » developing av, developing _, developing a
since de » since ce, science de, prince de
v africa » 1 africa, em 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 2 information content since de communication costs 4 developing v africa.*.