Perhaps you should try some spelling variations:
technology gaps » technology gap
4 developpement » de developpement, le developpement, et developpement
gaps inflation » has inflation, grade inflation, rapid inflation
inflation a » inflation _, inflation tax, inflation rate
des afrique » en afrique, de l'afrique
a prices » a price, 2 prices, gas prices
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 gaps inflation a prices _ communication costs 4 developpement des afrique.*.