Perhaps you should try some spelling variations:
debt communication » de communication, et communication, get communication
technologien dis » technologien des, technologien als, technologien im
dis information » mis information, aids information, des informations
11.1 developing » 11.5 developing, 14.1 developing, 1.1.2 developing
developing ce » developing e, developing ict, developing cil
contents 4 » contents 1, contents _, contents i
costs 11.1 » costs 11.4, costs 11.7, costs 1.1.3
ce africa » de africa, care africa, use africa
4 debt » 3 debt, 4 debats

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

• Adding a wildcard symbol may retrieve word variants: technologien dis information contents 4 debt communication costs 11.1 developing ce africa.*.