Perhaps you should try some spelling variations:
information centers » information contents, information officers
oral communication » personal communication
technologien des » technologien fur, technologien und, technologies 2
des information » des informations, does information, dis information
developing city » developing cities, developing data, developing high
13 developing » 1.3 developing, 3 developing, 1 developing
city africa » china africa, cults africa
centers 3 » centers _, centers a, centers 3.3
costs 13 » costs 1, costs 3, costs 12.3
3 oral » _ oral, 2 oral, 4 oral

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 oral communication costs 13 developing city africa.*.