Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
technologien des » technologien fur, technologien und, technologies 2
et communication » et communicatione, get communication, debt communication
des information » des informations, does information, dis information
2.4 developing » 12.4 developing, 2.2 developing, 5.4 developing
developing use » developing e, developing ce, developing csi
contents 1.1 » contents 10.1, contents 11.1, contents 12.1
1.1 et » 1.1 el, 1.1 eu

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 1.1 et communication cost 2.4 developing use africa.*.