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
developing rural » developing real, development rural, developing halal
technologies 2 » technologies _, technologies 4
2 preparations » 2 preparation, _ preparations, 1 preparations
5.4 developing » 6.4 developing, 3.3 developing, 2.2 developing
rural area » rural areas
before he » before we, before e, before age
costs 5.4 » costs 4.4, costs 6.4, costs 2.4
he wired » red wired, _ wired, a wired

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 preparations before he wired communications costs 5.4 developing rural area.*.