Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
information context » information content, information contents, information centers
3.1 communications » 3.1 communication, 4.1 communication, 1.1 communication
technologien 2 » technologies 2, technologien _, technologien 1
1.4 developing » 12.4 developing, 1.3 developing, 14 developing
developing amp » developing a, developing ai, developing av
amp africa » em africa, wup africa
context 4 » context 3, context 1, context 2
costs 1.4 » costs 11.4, costs 12.4, costs 4.4
4 3.1 » 4 3.10, 4 3.11, _ 3.1

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

• Adding a wildcard symbol may retrieve word variants: technologien 2 information context 4 3.1 communications costs 1.4 developing amp africa.*.