Perhaps you should try some spelling variations:
technologien from » technologies from, technology from, technologien fur
de communication » mobile communication, online communication
formal context » formal contexts, formal concept, formats content
4 developing » 3 developing
from formal » from informal
context how » content how, context has, context he
costs 4 » costs _, costs a, costs 4.2
how de » how doe, how do, how ae

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

• Adding a wildcard symbol may retrieve word variants: technologien from formal context how de communication costs 4 developing _ africa.*.