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
4.1 developing » 3.1 developing, 4 developing, 3.3 developing
developing 1 » developing _, developing a, developing e
from formal » from informal
contexts he » context he, contexts new, contexts _
costs 4.1 » costs 4.2, costs 4.4, costs 4.3

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 4.1 developing 1 africa.*.