Perhaps you should try some spelling variations:
developing teaching » developing learning
de transformation » die transformation, e transformation, 1 transformation
transformation a » transformation _
de communication » mobile communication, online communication
technologies de » technologies _, technologies 4, technologies 2
2.2 developing » 3.2 developing, 3.3 developing, 2.2 development
teaching loss » teaching cross, teaching class, teaching look
costs 2.2 » costs 4.2, costs 2.3, cost 2.2
und de » und der, und des, und den
a und » _ und, a une, i und

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

• Adding a wildcard symbol may retrieve word variants: technologies de transformation a und de communication costs 2.2 developing teaching loss.*.