Perhaps you should try some spelling variations:
ddr communication » de communication, csr communication, under communication
technologien stm » technologien am, technologien im, technologien ist
information case » information based, information can, information costs
stm information » crm information, system information, from information
2.3 developing » 3.3 developing, 2.2 developing, 1.3 developing
developing e » developing _, developing a, developing east
costs 2.3 » costs 4.2, costs 4.4
case des » cases des, case das, phase des
des ddr » der ddr, des dr, dem ddr
e areal » _ areal, 2 areal, 4 areal

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

• Adding a wildcard symbol may retrieve word variants: technologien stm information case des ddr communication costs 2.3 developing e areal.*.