Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
information centers » information contents, information officers
a communications » a communication, data communications, a communicative
12.4 developing » 1.4 developing, 2.2 developing, 1.3 developing
technologie im » technologien im, technologien am, technologie c
im information » crm information, stm information, 2 information
developing use » developing e, developing ce, developing csi
centers 1.3 » centers 3.3, centers 4.3, centers 12.4
costs 12.4 » costs 11.4, costs 12.3, costs 2.4
1.3 a » 1.3 _, 2.3 a, 1.1 a

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

• Adding a wildcard symbol may retrieve word variants: technologie im information centers 1.3 a communications costs 12.4 developing use africa.*.