Perhaps you should try some spelling variations:
transfer simulations » transfer simulation, transport simulations, transfer stations
6.2 communication » 3.2 communication, 2.3 communication, 2.7 communication
developpement de » developpement des, developpement durable
a developpement » au developpement, de developpement, le developpement
de afrique » de l'afrique, en afrique, l afrique
space 6.2 » spaces 6.2, space 3.2, space 2.2
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 transfer simulations _ space 6.2 communication costs a developpement de afrique.*.