Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
information centers » information contents, information officers
technologien aids » technologien als, technologien ad, technologien des
de communications » de communication, do communications, mce communications
aids information » chandos information, series information
developing can » developing a, developing ai, developing av
12 developing » 1.2 developing, 2 developing, 1 developing
can africa » urban africa
costs 12 » costs 1, costs 12.3, costs 12.4

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

• Adding a wildcard symbol may retrieve word variants: technologien aids information centers _ de communications costs 12 developing can africa.*.