Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
wired communications » aided communications, speed communications, wireless communications
preparations before » preparation reform, preparation more, relations before
technologien des » technologien fur, technologien und, technologies 2
des preparations » les preparations, de preparation, _ preparations
developing rural » developing real, development rural, developing halal
3.3 developing » 4 developing, 2 developing, 1 developing
rural area » rural areas
costs 3.3 » costs 2.3, costs 3.5, costs 4.3
before a » before _, before i, before age
a wired » _ wired, a wicked

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

• Adding a wildcard symbol may retrieve word variants: technologien des preparations before a wired communications costs 3.3 developing rural area.*.