Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
technologien series » technologies series, technology series, technologies varies
information context » information content, information contents, information centers
series information » business information
de communications » de communication, do communications, mce communications
2 developing » 3 developing, 4 developing, 2 development
developing 1 » developing _, developing a, developing e
context 3.1 » context 2.1, context 1, context 1.3
costs 2 » costs 20, costs _, costs 4
3.1 de » 3.1 die, 3.1 der, 3.1 def

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

• Adding a wildcard symbol may retrieve word variants: technologien series information context 3.1 de communications costs 2 developing 1 africa.*.