Perhaps you should try some spelling variations:
ddr communication » de communication, csr communication, under communication
information case » information based, information can, information costs
developing a » developing _
case des » cases des, case das, phase des
des ddr » der ddr, des dr, dem ddr
costs 4 » costs _, costs 4.2, costs 4.4
costs a » costs _
a areas » 1 areas, 2 areas, 4 areas

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "technologien _ information case des ddr communication ((costs 4) OR (costs a)) developing a areas.~".
• Adding a wildcard symbol may retrieve word variants: technologien _ information case des ddr communication ((costs 4) OR (costs a)) developing a areas.*.