Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
information content » information contents, information centers, information centre
14 communications » 10 communications, 14 communication, 4 communications
technologien a » technologien am, technologien ad, technologien _
a information » 2 information, 1 information
developing iv » developing av, developing ict, developing cil
4 developing » 3 developing
content 3.1 » contents 3.1, context 3.1, content 3.2
iv africa » v africa, 1 africa, em africa
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technologien a information content 3.1 14 communications costs 4 developing iv africa.*.