Perhaps you should try some spelling variations:
wired communications » aided communications, speed communications, wireless communications
communications costs » communication costs, communications _
information und » informations und
technologies 2 » technologies _, technologies 4
7.3 developing » 3.3 developing, 1.3 developing, 2.2 developing
developing a » developing _
costs 7.3 » costs 2.3, costs 4.3, costs 5.3
und red » und rede, und re, und reg
a areal » _ areal, 2 areal, 4 areal

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information und red wired communications costs 7.3 developing a areal.*.