Perhaps you should try some spelling variations:
crisis communication » risk communication, mass communication
information content » information contents, information centers, information centre
technologies 2 » technologies _, technologies 4
5.3 developing » 3.3 developing, 1.3 developing, 7.3 developing
content how » contents how, context how, content from
how crisis » law crisis
costs 5.3 » costs 15.3, costs 2.3, costs 4.3

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 how crisis communication costs 5.3 developing _ africa.*.