Perhaps you should try some spelling variations:
information centers » information contents, information officers
world communication » work communication, wired communications, good communication
developing export » developing exports, developing effort, developing expertise
technologien ad » technologien am, technologien und, technologien als
ad information » d information, nd information, od information
export africa » exports africa, exporting africa, export price
4 developing » 3 developing
centers 1 » centers 10, centers 21, centers _
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: technologien ad information centers 1 world communication costs 4 developing export africa.*.