Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
information context » information content, information contents, information centers
et communications » et communication, et communicatione, 10 communications
technologien ad » technologien am, technologien und, technologien als
ad information » d information, nd information, od information
3.3 developing » 4 developing, 2 developing, 1 developing
context how » content how, context has, context he
costs 3.3 » costs 2.3, costs 3.5, costs 4.3
how et » how etf, how eu, how best

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

• Adding a wildcard symbol may retrieve word variants: technologien ad information context how et communications costs 3.3 developing _ africa.*.