Perhaps you should try some spelling variations:
developing learning » development learning, developing teaching
technologies die » technologies de, technologie die, technologies bit
transformation a » transformation _
de communication » mobile communication, online communication
2.2 developing » 3.2 developing, 3.3 developing, 2.2 development
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
loss. » less.

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

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