Perhaps you should try some spelling variations:
information centers » information contents, information officers
fet communication » et communication, get communication, debt communication
technologien des » technologien fur, technologien und, technologies 2
des information » des informations, does information, dis information
11.1 developing » 11.5 developing, 14.1 developing, 1.1.2 developing
developing asia » development asia, developing a
asia africa » cpia africa, china africa
costs 11.1 » costs 11.4, costs 11.7, costs 1.1.3
centers 3 » centers _, centers a, centers 3.3
3 fet » 3 fat

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 fet communication costs 11.1 developing asia africa.*.