Perhaps you should try some spelling variations:
informations contents » information contents, information content, formation contents
communication cost » communication costs, communication costa, communications costs
technologien des » technologien fur, technologien und, technologies 2
des informations » aids information
de communication » mobile communication, online communication
2.2 developing » 3.2 developing, 3.3 developing, 2.2 development
contents i » contents 1, contents _, contents list
cost 2.2 » costs 2.2, cost 2.4, cost 3.2
i de » i die, i der, i den

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

• Adding a wildcard symbol may retrieve word variants: technologien des informations contents i de communication cost 2.2 developing _ africa.*.