Perhaps you should try some spelling variations:
modern communication » modern communications, modern communicator, modeling communication
communication cost » communication costs, communication costa, communications costs
development urban » development bank, development band, development update
technologien ad » technologien am, technologien und, technologien als
2.5 development » 2.3 development, 2.1 development, 2.2 development
ad information » d information, nd information, od information
urban africa » urban area
cost 2.5 » costs 2.5, cost 2.4, cost 2.2

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

• Adding a wildcard symbol may retrieve word variants: technologien ad information _ how modern communication cost 2.5 development urban africa.*.