Perhaps you should try some spelling variations:
de transformation » die transformation, e transformation, 1 transformation
transformation 10 » transformations 10, transformation 1, transformation 14
de communication » mobile communication, online communication
technologies de » technologies _, technologies 4, technologies 2
4 developing » 3 developing
costs 4 » costs _, costs a, costs 4.2
10 und » 20 und, 10 un, 1900 und
und de » und der, und des, und den

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

• Adding a wildcard symbol may retrieve word variants: technologies de transformation 10 und de communication costs 4 developing _ areas.*.