Perhaps you should try some spelling variations:
transfer interaction » transport interaction, transfer intervention, transfer extraction
interaction open » interaction model, interaction modes, interaction comment
developpement en » developpement et, developpement des, developpement de
3 communication » 4 communication, de communication, data communication
4 developpement » de developpement, le developpement, et developpement
space 3 » space _, space a, space 1
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technology transfer interaction open space 3 communication costs 4 developpement en afrique.*.