Perhaps you should try some spelling variations:
information centres » information centre, information centrism, information centers
oral communication » personal communication
technologien des » technologien fur, technologien und, technologies 2
des information » des informations, does information, dis information
developing asia » development asia, developing a
4.3 developing » 3.3 developing, 1.3 developing, 7.3 developing
asia africa » cpia africa, china africa
centres de » centre de, centres _
costs 4.3 » costs 4.2, costs 4.4, costs 2.3
de oral » de otras, new 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 centres de oral communication costs 4.3 developing asia africa.*.