Perhaps you should try some spelling variations:
crisis communication » risk communication, mass communication
information centers » information contents, information officers
technologies 4 » technologies _
5.3 developing » 3.3 developing, 1.3 developing, 7.3 developing
4 information » 2 information, 1 information
centers how » center how, centers hold, century how
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 4 information centers how crisis communication costs 5.3 developing _ africa.*.