Perhaps you should try some spelling variations:
der communication » de communication, under communication, debt communication
information case » information based, information can, information costs
4.4 developing » 5.4 developing, 6.4 developing, 1.4 developing
developing 2 » developing _, developing a, developing e
costs 4.4 » costs 4.2
case des » cases des, case das, phase des
des der » des dr, des ddr, des dem
2 areas » 1 areas, 2 areal, 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 case des der communication costs 4.4 developing 2 areas.*.