Perhaps you should try some spelling variations:
crisis communication » risk communication, mass communication
information content » information contents, information centers, information centre
developing urban » development urban, developing human, developing areas
technologies 2 » technologies _, technologies 4
4.1 developing » 3.1 developing, 4 developing, 3.3 developing
urban africa » urban area
content 1 » content _
costs 4.1 » costs 4.2, costs 4.4, costs 4.3
1 crisis » 19 crisis

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 1 crisis communication costs 4.1 developing urban africa.*.