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
am information » guam information, palm information, crm information
4.4 developing » 5.4 developing, 6.4 developing, 1.4 developing
developing de » developing e, developing ce, developing deep
centers he » centers help, centers ihc, centers ohc
he mobile » e mobile, die mobile, how mobile
costs 4.4 » costs 4.2
de africa » does africa, de america, use africa

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 he mobile communications costs 4.4 developing de africa.*.