Perhaps you should try some spelling variations:
5.4 communication » de communication, data communication
technology gaps » technology gap
inflation rates » inflation rate
development lid » development led, development li, development lie
gaps inflation » has inflation, grade inflation, rapid inflation
lid afrique » l afrique
rates case » rates cape, states case, rates east
case 5.4 » case 5.2, case 5.3, case 1.4
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 gaps inflation rates case 5.4 communication costs a development lid afrique.*.