Perhaps you should try some spelling variations:
nets communication » lea's communication, mass communication, c's communication
communication cost » communication costs, communication costa, communications costs
information based » information case, information bank, transformation based
2.2 developing » 3.2 developing, 3.3 developing, 2.2 development
developing a » developing _
based des » based modes, based debt, based deep
des nets » des net, des news, des netzes
cost 2.2 » costs 2.2, cost 2.4, cost 3.2
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 based des nets communication cost 2.2 developing a areas.*.