Perhaps you should try some spelling variations:
transport interaction » transport interventions, transport introduction, transport information
technology transport » technology transfer, technology transfers, technology transters
developpement en » developpement et, developpement des, developpement de
3 communication » 4 communication, de communication, data communication
a developpement » au developpement, de developpement, le developpement
space 3 » space _, space a, space 1
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 transport interaction _ space 3 communication costs a developpement en afrique.*.