Perhaps you should try some spelling variations:
developing learning » development learning, developing teaching
zur transformation » rural transformation, die transformation, energy transformation
transformation 13 » transformation 1.3, transformations 13, transformation 1
technologies zur » technologien zur, technologies _, technologies 4
de communication » mobile communication, online communication
learning less » learning loss, learning lens, learning lenses
a developing » a development
costs a » costs _, costs 4
13 und » 1933 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 zur transformation 13 und de communication costs a developing learning less.*.