Perhaps you should try some spelling variations:
global communication » oral communication, visual communication, personal communication
information content » information contents, information centers, information centre
developing urban » development urban, developing human, developing areas
technologies 2 » technologies _, technologies 4
5.4 developing » 6.4 developing, 3.3 developing, 2.2 developing
urban africa » urban area
content 2 » content _, content 1, content 3
costs 5.4 » costs 4.4, costs 6.4, costs 2.4

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 2 global communication costs 5.4 developing urban africa.*.