Perhaps you should try some spelling variations:
technology leaders » technology readiness, technology trade, technology users
6.2 communication » 3.2 communication, 2.3 communication, 2.7 communication
leaders sector » leaders section, leading sector
development d » development ds, development 1, development did
sector wage » sector wages
rates 6.2 » rates 4.2, rates 3.2, rates 5.2
d afrique » l afrique, en afrique, de l'afrique
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 6.2 communication costs a development d afrique.*.