Perhaps you should try some spelling variations:
3.7 communication » 3.2 communication, 2.7 communication, 3.5 communication
inflation target » inflation targeting, inflation rate, inflation rates
development lie » development life, development li, development lid
technology gap » technology 1, technology 2.2, technology 3
gap inflation » has inflation, grade inflation, rapid inflation
target case » target date, target rate, target task
lie afrique » l afrique
case 3.7 » cases 3.7, case 3.1, case 3.2
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 gap inflation target case 3.7 communication costs 2 development lie afrique.*.