Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
3.1 communications » 3.1 communication, 4.1 communication, 1.1 communication
model development » local development, social development, global development
technology usage » technology use, technology age, technology users
inflation target » inflation targeting, inflation rate, inflation rates
usage inflation » wage inflation, age inflation, usage information
target date » target rate, target range
costs model » cost model, cost models, costs money
date 3.1 » daten 3.1, data 3.1, debate 3.1

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

• Adding a wildcard symbol may retrieve word variants: technology usage inflation target date 3.1 communications costs model development _ enrique.*.