Perhaps you should try some spelling variations:
information centers » information contents, information officers
technologien des » technologien fur, technologien und, technologies 2
des information » des informations, does information, dis information
3 communication » 4 communication, de communication, data communication
developing av » developing a, developing ai, developing amp
4 developing » 3 developing
centers 2.1 » center 2.1, centers 2.2, centers 2.8
av africa » v africa, iv africa, can africa
costs 4 » costs _, costs a, costs 4.2
2.1 3 » 2.1 3d, 2.1 _, 2.1 a

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 2.1 3 communication costs 4 developing av africa.*.