Perhaps you should try some spelling variations:
technologien from » technologies from, technology from, technologien fur
ec communication » de communication, 3 communication, 4 communication
formal contexts » formal context, formal contracts, local contexts
4 developing » 3 developing
developing 1 » developing _, developing a, developing e
from formal » from informal
contexts he » context he, contexts new, contexts _
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 from formal contexts he ec communication costs 4 developing 1 africa.*.