Perhaps you should try some spelling variations:
technologien from » technologies from, technology from, technologien fur
der communication » de communication, under communication, debt communication
informal classes » information classes, informal channels, informal caucuses
4.4 developing » 5.4 developing, 6.4 developing, 1.4 developing
developing 1 » developing _, developing a, developing e
classes et » classe et, classes pt, classes _
costs 4.4 » costs 4.2
1 areas » 1 area, 2 areas, 4 areas
et der » et des

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

• Adding a wildcard symbol may retrieve word variants: technologien from informal classes et der communication costs 4.4 developing 1 areas.*.