Perhaps you should try some spelling variations:
mobile communications » mobile communication
communications costs » communication costs, communications _
technologien des » technologien fur, technologien und, technologies 2
des information » des informations, does information, dis information
developing good » developing global
information 1 » information 2, information 3, information 3.2
good accessed » food access, who accessed
4 developing » 3 developing
a mobile » _ mobile
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technologien des information 1 a mobile communications costs 4 developing good accessed.*.