Perhaps you should try some spelling variations:
information exchanges » information exchange, information chapter
open communication » human communication, 3 communication, 4 communication
technologies 4 » technologies _
4.3 developing » 3.3 developing, 1.3 developing, 7.3 developing
4 information » 2 information, 1 information
exchanges new » changes new, exchanges _, exchanges 3.2
developing iv » developing av, developing ict, developing cil
costs 4.3 » costs 4.2, costs 4.4, costs 2.3
iv africa » v africa, 1 africa, em africa
new open » new hope

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

• Adding a wildcard symbol may retrieve word variants: technologies 4 information exchanges new open communication costs 4.3 developing iv africa.*.