Perhaps you should try some spelling variations:
technologien does » technologien des, technologien als, technologie de
does information » des informations, dis information, users information
de communication » mobile communication, online communication
information 3 » information 2
developing a » developing _
deep de » deep dive, deep node, deepen de
costs 4 » costs _, costs 4.2, costs 4.4
costs a » costs _
a areas » 1 areas, 2 areas, 4 areas

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "technologien does information 3 deep de communication ((costs 4) OR (costs a)) developing a areas.~".
• Adding a wildcard symbol may retrieve word variants: technologien does information 3 deep de communication ((costs 4) OR (costs a)) developing a areas.*.