Perhaps you should try some spelling variations:
de communication » mobile communication, online communication
information can » information case, information 1, information 1.2
technologies 2 » technologies _, technologies 4
3.5 developing » 3.3 developing, 3.2 developing, 1.5 developing
developing a » developing _
costs 3.5 » costs 4.2, costs 4.4, costs 2.3
can das » man das, can cash, can draw
a areas » 1 areas, 2 areas, 4 areas
das de » das der, das dem, das den

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information can das de communication costs 3.5 developing a areas.*.