Perhaps you should try some spelling variations:
communications cost » communications costs, communications cross, communication costs
10 communications » 10 communication, 14 communications, 2 communications
technologien des » technologien fur, technologien und, technologies 2
des information » des informations, does information, dis information
2.4 developing » 12.4 developing, 2.2 developing, 5.4 developing
developing ai » developing a, developing av, developing asia
contents map » contents 1, contents _
ai africa » ii africa, can africa, 1 africa
map 10 » map 1, kap 10, map 3.10

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

• Adding a wildcard symbol may retrieve word variants: technologien des information contents map 10 communications cost 2.4 developing ai africa.*.