Perhaps you should try some spelling variations:
4.1 communication » 4 communication, 2.3 communication, 3.2 communication
developpement du » developpement de, developpement des, developpement et
technology open » technology one, technology other, technology o140
4 developpement » de developpement, le developpement, et developpement
innovation do » innovation das, innovation ddi, innovation die
du afrique » en afrique, l afrique, de l'afrique
phase 4.1 » phase 4.2, phase 4.3, phase 2.1
do phase » doe phase, d phase, der phase
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 open innovation do phase 4.1 communication costs 4 developpement du afrique.*.