Perhaps you should try some spelling variations:
de communication » mobile communication, online communication
information und » informations und
technologien 3 » technologies 3, technologien _, technologie 3
2.2 developing » 3.2 developing, 3.3 developing, 2.2 development
3 information » 1 information
developing e » developing _, developing a, developing east
und duales » und wales
duales de » scales de
costs 2.2 » costs 4.2, costs 2.3, cost 2.2
e areas » 1 areas, 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 3 information und duales de communication costs 2.2 developing e areas.*.