Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
information und » informations und
12.3 developing » 1.3 developing, 12.4 developing, 2.3 developing
technologies 2 » technologies _, technologies 4
des wireless » cost wireless, over wireless, wips wireless
developing a » developing _
costs 12.3 » costs 2.3, costs 12.4, costs 14.3
und des » und der
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 des wireless communications costs 12.3 developing a areal.*.