Perhaps you should try some spelling variations:
time communication » de communication, mobile communication, online communication
technologien from » technologies from, technology from, technologien fur
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

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 time communication costs 4 developing _ africa.*.