Perhaps you should try some spelling variations:
de developpement » sme development
technology case » technology based, technology can, technology change
3 communication » 4 communication, de communication, data communication
case selection » sample selection
selection wage » selection stage, selection based, selection chase
des afrique » en afrique, de l'afrique
wage rate » wage rates
costs de » costs _, costs 4, costs a
rate 3 » rate _, rate 4, rate a

You may be able to get more results by adjusting your search query.

• Adding a wildcard symbol may retrieve word variants: technology case selection wage rate 3 communication costs de developpement des afrique.*.