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
4 communication » 3 communication, 5.4 communication, de communication
development ai » development aid, development api, development a
4 development » 2 development, 4 developing
ai africa » ii africa, can africa, 1 africa
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 des information centers _ 4 communication costs 4 development ai africa.*.