Perhaps you should try some spelling variations:
3.2 communication » 3 communication, 2.3 communication, de communication
based innovation » und innovation
4 developpement » de developpement, le developpement, et developpement
developpement l » developpement il, developpement la, developpement de
l afrique » en afrique
can 3.2 » can 5.2, gan 3.2, man 3.2
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 based innovation what can 3.2 communication costs 4 developpement l afrique.*.