Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
developing patterns » development patterns, developing eastern, development pattern
10 communications » 10 communication, 14 communications, 2 communications
study prevention » study presentation, slum prevention, injury prevention
prevention state » prevention late, prevention strategy, prevention system
patterns oder » patterns outer, patterns under, patterns after
4 developing » 3 developing
state post » states cost, state pt, state part
post 10 » post 16, post 14, post 2010
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technology study prevention state post 10 communications costs 4 developing patterns oder.*.