Perhaps you should try some spelling variations:
technology leaders » technology readiness, technology trade, technology users
4.2 communication » 4.2 communications, 3.2 communication, 4.1 communication
leaders sector » leaders section, leading sector
4 developing » 3 developing
developing l » developing l2, developing _, developing a
sector wage » sector wages
rates 4.2 » rates 4.5
l afrique » en afrique
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 leaders sector wage rates 4.2 communication costs 4 developing l afrique.*.