Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
get communication » et communication, debt communication, de communication
technologien des » technologien fur, technologien und, technologies 2
des information » des informations, does information, dis information
2.3 developing » 3.3 developing, 2.2 developing, 1.3 developing
developing can » developing a, developing ai, developing av
contents 3.1 » contents 1, contents _, contents map
can africa » urban africa
cost 2.3 » costs 2.3, cost 2.4, cost 2.2
3.1 get » 3.1 git, 5.1 get, 3.1 gott

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 3.1 get communication cost 2.3 developing can africa.*.