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
de communication » mobile communication, online communication
1 developing » 3 developing, 4 developing, 2 developing
developing a » developing _
context 2.1 » context 1
a africa » 1 africa, can africa, em africa
2.1 de » 2.1 die, 2.1 der, 2.1 do
cost 1 » cost 12, cost 15, cost _

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 2.1 de communication cost 1 developing a africa.*.