Perhaps you should try some spelling variations:
debt communication » de communication, et communication, get communication
technologien des » technologien fur, technologien und, technologies 2
des information » des informations, does information, dis information
3 developing » 3 development
developing 1 » developing _, developing a, developing e
contents 13 » contents 1, contents 19, contents 1.1
13 debt » 3 debt, 83 debt, 2.3 debt
costs 3 » costs _, costs 4, costs a

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 13 debt communication costs 3 developing 1 africa.*.