Perhaps you should try some spelling variations:
technology trade » technology trends, technology transfer, technology transfers
trade innovation » trade information, drive innovation, trade integration
au developpement » du developpement, de developpement, le developpement
4 communication » 3 communication, 5.4 communication, de communication
des afrique » en afrique, de l'afrique
what scale » shaft scale, what shall, what stage
costs au » costs a, costs amy, costs _
scale 4 » scale _, scale a, scale 1

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

• Adding a wildcard symbol may retrieve word variants: technology trade innovation what scale 4 communication costs au developpement des afrique.*.