Perhaps you should try some spelling variations:
oral communication » personal communication
technologien from » technologies from, technology from, technologien fur
from information » from informal, 1 information
developing asia » development asia, developing a
4 developing » 3 developing
asia africa » cpia africa, china africa
costs 4 » costs _, costs a, costs 4.2
1 oral » 10 oral, 14 oral, 16 oral
contents » context

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

• Adding a wildcard symbol may retrieve word variants: technologien from information contents 1 oral communication costs 4 developing asia africa.*.