Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
technologies series » technology series
information context » information content, information contents, information centers
series information » business information
die communications » do communications, mce communications, voice communications
4 developing » 3 developing
developing e » developing _, developing a, developing east
context 3.1 » context 2.1, context 1, context 1.3
e africa » em africa, de africa, eu africa
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technologies series information context 3.1 die communications costs 4 developing e africa.*.