Perhaps you should try some spelling variations:
technologien from » technologies from, technology from, technologien fur
informal context » formal context, informed context, formal contexts
de communication » mobile communication, online communication
1 developing » 3 developing, 4 developing, 2 developing
context has » context phase, context 3rs, context he
costs 1 » costs _, costs 4, costs a
has de » cas de, pas de, las de

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

• Adding a wildcard symbol may retrieve word variants: technologien from informal context has de communication costs 1 developing _ africa.*.