Perhaps you should try some spelling variations:
oral communication » personal communication
technologien und » technologie und, technologien des, technologien fur
und information » fund information, road information, award information
4 developing » 3 developing
developing 1 » developing _, developing a, developing e
contents de » contents je, contents key, contents 1
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 und information contents de oral communication costs 4 developing 1 africa.*.