Perhaps you should try some spelling variations:
information costs » information contents, information centers, information content
der communication » de communication, under communication, debt communication
4 developing » 3 developing
developing 1 » developing _, developing a, developing e
costs des » costs fees
des der » des dr, des ddr, des dem
costs 4 » costs _, costs a, costs 4.2
1 areas » 1 area, 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 costs des der communication costs 4 developing 1 areas.*.