Perhaps you should try some spelling variations:
informations centers » information centers, information center, information centre
oral communication » personal communication
technologien aux » technologien auf, technologien fur, technologien als
aux informations » a informations, als informations, neue informations
3.2 developing » 3.3 developing, 2.2 developing, 3 developing
developing em » developing e, developing eq, developing amp
centers el » centers help, centers real, centers _
costs 3.2 » costs 4.2, cost 3.2, costs 3.5
em africa » 1 africa
el oral » new oral

You may be able to get more results by adjusting your search query.

• Adding a wildcard symbol may retrieve word variants: technologien aux informations centers el oral communication costs 3.2 developing em africa.*.