Perhaps you should try some spelling variations:
information centers » information contents, information officers
der communication » de communication, under communication, debt communication
technologie der » technologie de, technologien des, technologies de
der information » insider information, sector information, labor information
developing ce » developing e, developing ict, developing cil
4 developing » 3 developing
centers 3 » centers _, centers a, centers 3.3
ce africa » de africa, care africa, use africa
costs 4 » costs _, costs a, costs 4.2
3 der » _ der, 2 der

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

• Adding a wildcard symbol may retrieve word variants: technologie der information centers 3 der communication costs 4 developing ce africa.*.