Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
information centers » information contents, information officers
4.1 communications » 4.1 communication, 3.1 communications, 4.1 communicating
technologien road » technologien ad, technologien und, technologien am
14 developing » 4 developing, 1 developing, 10 developing
centers case » center case, century case, centers can
developing 1 » developing _, developing a, developing e
case 4.1 » case 4.2, case 1
costs 14 » costs 4, costs 1, costs 11.4

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

• Adding a wildcard symbol may retrieve word variants: technologien road information centers case 4.1 communications costs 14 developing 1 africa.*.