Perhaps you should try some spelling variations:
informations context » information content, information contents, information control
communication rates » communication related, communication state, telecommunication rates
debt communication » de communication, et communication, get communication
technologien des » technologien fur, technologien und, technologies 2
des informations » aids information
1.3 developing » 3.3 developing, 13 developing, 7.3 developing
context 2 » context 3, context 1
rates 1.3 » rates 12.3, rates 4.3, rates 1.1
2 debt » 3 debt, 4 debt, 2.5 debt

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

• Adding a wildcard symbol may retrieve word variants: technologien des informations context 2 debt communication rates 1.3 developing _ africa.*.