Perhaps you should try some spelling variations:
mobile communications » mobile communication
communications costs » communication costs, communications _
de transformation » die transformation, e transformation, 1 transformation
transformation a » transformation _
technologie de » technologies de, technologie der, technologie die
4 developing » 3 developing
die mobile » does mobile, das mobile, day mobile
costs 4 » costs _, costs a, costs 4.2
a die » 2 die, 3 die, _ die

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

• Adding a wildcard symbol may retrieve word variants: technologie de transformation a die mobile communications costs 4 developing _ ser.*.