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
aids information » chandos information, series information
developing cil » developing city, developing ai, developing ce
5 developing » 3 developing, 4 developing, 2 developing
cil africa » cpia africa, can africa, china africa
costs 5 » costs _, costs 4, costs a

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 data communications costs 5 developing cil africa.*.