Perhaps you should try some spelling variations:
mobile communications » mobile communication
informations context » information content, information contents, information control
communications cost » communications costs, communications cross, communication costs
technologien des » technologien fur, technologien und, technologies 2
des informations » aids information
2.2 developing » 3.2 developing, 3.3 developing, 2.2 development
context he » context has, context how, context 3
he mobile » e mobile, die mobile, how mobile
cost 2.2 » costs 2.2, cost 2.4, cost 3.2

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 he mobile communications cost 2.2 developing _ africa.*.