Perhaps you should try some spelling variations:
2.3 communication » 3.2 communication, de communication, 4 communication
inflation taxes » inflation rates, inflation tax, inflation targets
technology gap » technology 1, technology 2.2, technology 3
development li » development lid, development lie, development lin
gap inflation » has inflation, grade inflation, rapid inflation
4 development » 2 development, 4 developing
taxes trade » states trade, tax trade, wages trade
li afrique » l afrique, en afrique
trade 2.3 » trade 2.2, trade 2.1, trade 1.3
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 gap inflation taxes trade 2.3 communication costs 4 development li afrique.*.