Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
technology leaders » technology readiness, technology trade, technology users
4.2 communications » 4.2 communication, 3.2 communication, 6.2 communication
development does » development data, development 1, development 1.1
leaders sector » leaders section, leading sector
does afrique » en afrique, does africa
sector wage » sector wages
rates 4.2 » rates 4.5
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 leaders sector wage rates 4.2 communications costs a development does afrique.*.