Perhaps you should try some spelling variations:
crisis communication » risk communication, mass communication
information centers » information contents, information officers
technologies 2 » technologies _, technologies 4
2.3 developing » 3.3 developing, 2.2 developing, 1.3 developing
centers help » centers hold, centers real
developing e » developing _, developing a, developing east
help crisis » deep crisis
costs 2.3 » costs 4.2, costs 4.4
e africa » em africa, de africa, eu africa

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information centers help crisis communication costs 2.3 developing e africa.*.