Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
wired communications » aided communications, speed communications, wireless communications
information und » informations und
technologies 4 » technologies _
2.2 developing » 3.2 developing, 3.3 developing, 2.2 development
4 information » 2 information, 1 information
developing e » developing _, developing a, developing east
costs 2.2 » costs 4.2, costs 2.3, cost 2.2
a wired » _ wired, a wicked
e areal » _ areal, 2 areal, 4 areal
und a » und _, und 2, und 3

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

• Adding a wildcard symbol may retrieve word variants: technologies 4 information und a wired communications costs 2.2 developing e areal.*.