Perhaps you should try some spelling variations:
der communication » de communication, under communication, debt communication
technologien de » technologien des, technologies de, technologie de
formation phase » formation chapter
2.3 developing » 3.3 developing, 2.2 developing, 1.3 developing
developing a » developing _
phase des » phasen des, phase der
costs 2.3 » costs 4.2, costs 4.4
des der » des dr, des ddr, des dem
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 der communication costs 2.3 developing a areas.*.