Perhaps you should try some spelling variations:
nets communication » lea's communication, mass communication, c's communication
information costs » information contents, information centers, information content
15.3 developing » 1.3 developing, 10.3 developing, 5.3 developing
developing a » developing _
costs 15.3 » costs 12.3, costs 14.3, costs 5.3
costs des » costs fees
des nets » des net, des news, des netzes
a 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 _ information costs des nets communication costs 15.3 developing a areas.*.