Perhaps you should try some spelling variations:
integration wages » integration wage, integration wege, integration wie
4.1 communication » 4 communication, 2.3 communication, 3.2 communication
de developpement » sme development
res integration » dis integration, 1.2 integration, process integration
technology res » technology risk, technology r, technology risks
des afrique » en afrique, de l'afrique
wages race » wages trade, wage rate, wages case
race 4.1 » race 4.10, rice 4.1, race 4.2
costs de » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technology res integration wages race 4.1 communication costs de developpement des afrique.*.