Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
information content » information contents, information centers, information centre
set communications » sepl communications, et communication, et communicatione
technologien aids » technologien als, technologien ad, technologien des
aids information » chandos information, series information
4 developing » 3 developing
developing 1 » developing _, developing a, developing e
content 2 » content _, content 1, content 3
costs 4 » costs _, costs a, costs 4.2
2 set » _ set, a set

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

• Adding a wildcard symbol may retrieve word variants: technologien aids information content 2 set communications costs 4 developing 1 africa.*.