Perhaps you should try some spelling variations:
2.3 communication » 3.2 communication, de communication, 4 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 trade » target grade, market trade, target rate
lie afrique » l afrique
trade 2.3 » trade 2.2, trade 2.1, trade 1.3
costs a » 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 trade 2.3 communication costs a development lie afrique.*.