Perhaps you should try some spelling variations:
developpement de » developpement des, developpement durable
au developpement » du developpement, de developpement, le developpement
4.2 integration » 2.2 integration, 3.2 integration, 5.2 integration
integration des » integration der, integration 3, integration 4
2 communication » 3 communication, 4 communication, 1 communication
technology 4.2 » technology 2.2, technology 3.2, technology 4.1
de afrique » de l'afrique, en afrique, l afrique
des trade » does trade, des traces, des trames
costs au » costs a, costs amy, costs _
trade 2 » trade _, trade a, trade 4

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

• Adding a wildcard symbol may retrieve word variants: technology 4.2 integration des trade 2 communication costs au developpement de afrique.*.