Perhaps you should try some spelling variations:
crises communication » crisis communication, crisis communications, causes communication
technologies 4 » technologies _
3.3 developing » 4 developing, 2 developing, 1 developing
4 information » 2 information, 1 information
contents 3rs » contents 3rd, contents 3.1, contents 3.2
3rs crises » des crises, les crises, ems crises
costs 3.3 » costs 2.3, costs 3.5, 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 contents 3rs crises communication costs 3.3 developing _ africa.*.