Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
voice communications » mobile communications, guinea communications, online communications
information context » information content, information contents, information centers
technologien does » technologien des, technologien als, technologie de
does information » des informations, dis information, users information
5.4 developing » 6.4 developing, 3.3 developing, 2.2 developing
developing em » developing e, developing eq, developing amp
context 9 » context 3, context 1, context 2
costs 5.4 » costs 4.4, costs 6.4, costs 2.4
em africa » 1 africa
9 voice » _ voice, a voice, 5 voice

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

• Adding a wildcard symbol may retrieve word variants: technologien does information context 9 voice communications costs 5.4 developing em africa.*.