Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
3.1 communications » 3.1 communication, 4.1 communication, 1.1 communication
inflation target » inflation targeting, inflation rate, inflation rates
technology rate » technology state, technology role, technology related
rate inflation » grade inflation, wage inflation, age inflation
target case » target date, target rate, target task
case 3.1 » case 4.1, case 3.2, case 1
costs 2 » costs 20, costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technology rate inflation target case 3.1 communications costs 2 development latin afrique.*.