Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
information context » information content, information contents, information centers
technologien aids » technologien als, technologien ad, technologien des
et communications » et communication, et communicatione, 10 communications
aids information » chandos information, series information
3.3 developing » 4 developing, 2 developing, 1 developing
developing can » developing a, developing ai, developing av
can africa » urban africa
costs 3.3 » costs 2.3, costs 3.5, costs 4.3
3 et » 13 et, 3 fet, 3 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 context 3 et communications costs 3.3 developing can africa.*.