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 informations » aids information
4 developing » 3 developing
developing a » developing _
un mobile » un mobilier, non mobile, auf mobile
costs 4 » costs _, costs a, costs 4.2
a areal » _ areal, 2 areal, 4 areal
und un » und und, und uns

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

• Adding a wildcard symbol may retrieve word variants: technologien des informations und un mobile communications costs 4 developing a areal.*.