Perhaps you should try some spelling variations:
developing learning » development learning, developing teaching
communication cost » communication costs, communication costa, communications costs
de transformation » die transformation, e transformation, 1 transformation
transformation a » transformation _
de communication » mobile communication, online communication
technologies de » technologies _, technologies 4, technologies 2
3.3 developing » 4 developing, 2 developing, 1 developing
cost 3.3 » cost 3.2, cost 2.3, cost 3.4
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 de transformation a und de communication cost 3.3 developing learning loss.*.