Perhaps you should try some spelling variations:
information context » information content, information contents, information centers
communication cost » communication costs, communication costa, communications costs
technologien aids » technologien als, technologien ad, technologien des
aids information » chandos information, series information
et communication » et communicatione, get communication, debt communication
12.4 developing » 1.4 developing, 2.2 developing, 1.3 developing
developing use » developing e, developing ce, developing csi
context 13 » context 1.3, context 3, context 1
cost 12.4 » coast 12.4, costs 12.4, cost 2.4
13 et » 12 et

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 13 et communication cost 12.4 developing use africa.*.