Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
10 communications » 10 communication, 14 communications, 2 communications
technology price » technology rich, technology voice, technology service
development lid » development led, development li, development lie
inflation use » inflation und, inflation die, inflation e
4 development » 2 development, 4 developing
lid afrique » l afrique
case 10 » cases 10, case 1, case 10.4
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 price inflation use case 10 communications costs 4 development lid afrique.*.