Perhaps you should try some spelling variations:
information context » information content, information contents, information centers
oral communication » personal communication
developing areas » developing asia, developing east, developing a
technologien 2 » technologies 2, technologien _, technologien 1
4 developing » 3 developing
areas africa » arabs africa, dress africa, farmers africa
context neo » context new, kontext neue
neo oral » new oral, who 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 2 information context neo oral communication costs 4 developing areas africa.*.