Perhaps you should try some spelling variations:
ddr communication » de communication, csr communication, under communication
information can » information case, information 1, information 1.2
2.3 developing » 3.3 developing, 2.2 developing, 1.3 developing
developing a » developing _
costs 2.3 » costs 4.2, costs 4.4
can dem » can de, can deal, can deep
dem ddr » der ddr, dem der, den ddr
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 can dem ddr communication costs 2.3 developing a areas.*.