Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
technologien im » technologie im, technologien am, technologien _
im information » crm information, stm information, 2 information
2.3 developing » 3.3 developing, 2.2 developing, 1.3 developing
developing em » developing e, developing eq, developing amp
contents 8.3 » contents 2.3, contents 8.1, contents 3.1
8.3 mobile » 4.3 mobile, 8.1 mobile, 8.4 mobile
em africa » 1 africa
cost 2.3 » costs 2.3, cost 2.4, cost 2.2

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

• Adding a wildcard symbol may retrieve word variants: technologien im information contents 8.3 mobile communication cost 2.3 developing em africa.*.