Perhaps you should try some spelling variations:
areas communicated » great communicator, less communicate, users communicate
communicated cost » communication costs, communication costa, communicate more
developing urban » development urban, developing human, developing areas
technologien ad » technologien am, technologien und, technologien als
ad information » d information, nd information, od information
5.4 developing » 6.4 developing, 3.3 developing, 2.2 developing
urban africa » urban area
contents 13 » contents 1, contents 19, contents 1.1
13 areas » 1 areas, 18.3 areas, 4.3 areas
cost 5.4 » costs 5.4, cost 2.4, cost 3.4

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

• Adding a wildcard symbol may retrieve word variants: technologien ad information contents 13 areas communicated cost 5.4 developing urban africa.*.