Perhaps you should try some spelling variations:
information context » information content, information contents, information centers
der communication » de communication, under communication, debt communication
technologies 2.1 » technologies _, technologies 4, technologies a
developing urban » development urban, developing human, developing areas
2.1 information » 3.1 information
14 developing » 4 developing, 1 developing, 10 developing
urban africa » urban area
costs 14 » costs 4, costs 1, costs 11.4

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

• Adding a wildcard symbol may retrieve word variants: technologies 2.1 information context _ der communication costs 14 developing urban africa.*.