Perhaps you should try some spelling variations:
technology leaders » technology readiness, technology trade, technology users
3 communication » 4 communication, de communication, data communication
leaders sector » leaders section, leading sector
development ds » development d, development does, development desd
sector wage » sector wages
ds afrique » en afrique, l afrique, de l'afrique
rates 3 » rates _, rates a, rates 7
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 3 communication costs a development ds afrique.*.