Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
technologien am » technologien im, technologien als, technologie im
am information » guam information, palm information, crm information
2.4 developing » 12.4 developing, 2.2 developing, 5.4 developing
developing ce » developing e, developing ict, developing cil
contents e » contents je, contents 1, contents _
ce africa » de africa, care africa, use africa
e mobile » _ mobile, a mobile, 2 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 contents e mobile communication cost 2.4 developing ce africa.*.