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 iv » developing av, developing ict, developing cil
4 developing » 3 developing
centres des » centres de, centre des, centre de
iv africa » v africa, 1 africa, em africa
des oral » des moral, des oil, des orts
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 des oral communication costs 4 developing iv africa.*.