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
3 developing » 3 development
em africa » 1 africa
v africa » 1 africa
costs 3 » costs _, costs 4, costs a
e de » et de, e die, e der
3 e » 3 le, 3 el

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 e de communication costs 3 developing ((v africa) OR (em africa)).~".
• Adding a wildcard symbol may retrieve word variants: technologien does information 3 e de communication costs 3 developing ((v africa) OR (em africa)).*.