Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
information center » information centers, information centre, information content
14 communications » 10 communications, 14 communication, 4 communications
technologien fur » technologien des, technologien und, technologies 2
fur information » zur information, fair information, your information
4 developing » 3 developing
developing 1 » developing _, developing a, developing e
center 2.1 » century 2.1, center 1
costs 4 » costs _, costs a, costs 4.2
2.1 14 » 2.1 11, 2.1 1g

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

• Adding a wildcard symbol may retrieve word variants: technologien fur information center 2.1 14 communications costs 4 developing 1 africa.*.