Perhaps you should try some spelling variations:
information case » information based, information can, information costs
de communication » mobile communication, online communication
technologien 1 » technologies 1, technologien _, technologien 4
3.3 developing » 4 developing, 2 developing, 1 developing
developing 21 » developing _, developing a, developing e
costs 3.3 » costs 2.3, costs 3.5, costs 4.3
wenn de » wenn die, wenn du, wenn das
21 area » 2.1 area, 1 area, 26 area

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

• Adding a wildcard symbol may retrieve word variants: technologien 1 information case wenn de communication costs 3.3 developing 21 area.*.