Perhaps you should try some spelling variations:
information centers » information contents, information officers
good communication » world communication, ihrd communication, based communication
technologien aids » technologien als, technologien ad, technologien des
developing effort » developing export, development effort, developing exports
aids information » chandos information, series information
effort africa » exports africa, reform africa
3 developing » 3 development
centers 1 » centers 10, centers 21, centers _
costs 3 » costs _, costs 4, costs a
1 good » 11 good, a good, 2 good

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

• Adding a wildcard symbol may retrieve word variants: technologien aids information centers 1 good communication costs 3 developing effort africa.*.