Perhaps you should try some spelling variations:
information based » information case, information bank, transformation based
der communication » de communication, under communication, debt communication
4.1 developing » 3.1 developing, 4 developing, 3.3 developing
developing a » developing _
based des » based modes, based debt, based deep
costs 4.1 » costs 4.2, costs 4.4, costs 4.3
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 _ information based des der communication costs 4.1 developing a areas.*.