Perhaps you should try some spelling variations:
personal communication » interpersonal communication
information centers » information contents, information officers
technologien und » technologie und, technologien des, technologien fur
und information » fund information, road information, award information
developing em » developing e, developing eq, developing amp
4 developing » 3 developing
de personal » der personal, des personal, de persona
centers de » centers _, centres de, centers 10
em 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 und information centers de personal communication costs 4 developing em africa.*.