Perhaps you should try some spelling variations:
oral communication » personal communication
technologie und » technologies 2.1
und information » fund information, road information, award information
developing can » developing a, developing ai, developing av
13 developing » 1.3 developing, 3 developing, 1 developing
contents 16 » contents 1, contents 19, contents 1.1
can africa » urban africa
costs 13 » costs 1, costs 3, costs 12.3
16 oral » 16 moral, 1 oral, 10 oral

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

• Adding a wildcard symbol may retrieve word variants: technologie und information contents 16 oral communication costs 13 developing can africa.*.