Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
4.2 communications » 4.2 communication, 3.2 communication, 6.2 communication
technology gaps » technology gap
gaps inflation » has inflation, grade inflation, rapid inflation
inflation als » inflation a, inflation auf, inflation rates
development l » development li, development 1, development law
l afrique » en afrique
als case » als care, goals case, sales case
case 4.2 » case 4.1, case 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 als case 4.2 communications costs _ development l afrique.*.