Perhaps you should try some spelling variations:
communication crisis » communication cross, communication costs, communication craig
5.4 communication » de communication, data communication
technologies 2 » technologies _, technologies 4
information 1 » information 2, information 3, information 3.2
crisis human » crisis roman, crisis can, crisis has
19 5.4 » 189 5.4, 19 5.3, 13 5.4
1 19 » 18 19, 17 19, 16 19

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information 1 19 5.4 communication crisis human development 1 africa.*.