Perhaps you should try some spelling variations:
dem communication » de communication, debt communication, team communication
technologien de » technologien des, technologies de, technologie de
formation phase » formation chapter
3.3 developing » 4 developing, 2 developing, 1 developing
developing a » developing _
phase des » phasen des, phase der
costs 3.3 » costs 2.3, costs 3.5, costs 4.3
des dem » das dem, des der, des des
a areas » 1 areas, 2 areas, 4 areas

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

• Adding a wildcard symbol may retrieve word variants: technologien de formation phase des dem communication costs 3.3 developing a areas.*.