Perhaps you should try some spelling variations:
information centers » information contents, information officers
set communication » et communication, get communication, debt communication
technologien des » technologien fur, technologien und, technologies 2
des information » des informations, does information, dis information
developing de » developing e, developing ce, developing deep
4 developing » 3 developing
centers 3 » centers _, centers a, centers 3.3
de africa » does africa, de america, use africa
costs 4 » costs _, costs a, costs 4.2
3 set » _ set, a set, 2 set

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

• Adding a wildcard symbol may retrieve word variants: technologien des information centers 3 set communication costs 4 developing de africa.*.