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
2.4 developing » 12.4 developing, 2.2 developing, 5.4 developing
developing de » developing e, developing ce, developing deep
context how » content how, context has, context he
costs 2.4 » costs 12.4, costs 23.4, cost 2.4
de africa » does africa, de america, use africa
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 aids information context how et communications costs 2.4 developing de africa.*.