Perhaps you should try some spelling variations:
information centre » information centers, information contents
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
centre de » centre _, centrale des
iv africa » v africa, 1 africa, em africa
de oral » de otras, new oral
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 centre de oral communication costs 4 developing iv africa.*.