Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
14 communications » 10 communications, 14 communication, 4 communications
technology price » technology rich, technology voice, technology service
inflation rates » inflation rate
developing l2 » developing _, developing a, developing e
4 developing » 3 developing
rates case » rates cape, states case, rates east
l2 afrique » l afrique, en afrique
case 14 » case 1.4, cases 14, case 1
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 rates case 14 communications costs 4 developing l2 afrique.*.