Perhaps you should try some spelling variations:
sprachen communication » spoken communication, teacher communication, strengthen communication
et transformation » e transformation, next transformation, der transformation
technologies et » technologies e, technologies art, technologies bit
und sprachen » und sprache, und schwachen, und ansprache
4 developing » 3 developing
developing 4 » developing _, developing a, developing e
costs 4 » costs _, costs a, costs 4.2
4 areal » 4 real, _ areal, 2 areal

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

• Adding a wildcard symbol may retrieve word variants: technologies et transformation _ und sprachen communication costs 4 developing 4 areal.*.