Perhaps you should try some spelling variations:
mobile communications » mobile communication
communications costs » communication costs, communications _
information centers » information contents, information officers
technologien am » technologien im, technologien als, technologie im
11.7 developing » 11.5 developing, 12.7 developing, 11.7.4 developing
am information » guam information, palm information, crm information
developing ai » developing a, developing av, developing asia
costs 11.7 » costs 11.1, costs 11.4, costs 1.1.3
centers 2 » centers 21, centers _, center 2
ai africa » ii africa, can africa, 1 africa
2 mobile » _ mobile, a mobile

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

• Adding a wildcard symbol may retrieve word variants: technologien am information centers 2 mobile communications costs 11.7 developing ai africa.*.