Perhaps you should try some spelling variations:
personal communication » interpersonal communication
information centres » information centre, information centrism, information centers
technologien des » technologien fur, technologien und, technologies 2
des information » des informations, does information, dis information
developing em » developing e, developing eq, developing amp
4 developing » 3 developing
b personal » a personal, 1 personal, 4 personal
centres b » centres _, centres a, centres de
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 des information centres b personal communication costs 4 developing em africa.*.