Perhaps you should try some spelling variations:
technological 3 » technological _, technological 3.5, technological art
innovation rate » innovation race, innovation create, innovation state
4 developpement » de developpement, le developpement, et developpement
developpement l » developpement il, developpement la, developpement de
3 innovation » 2 innovation
case mobile » based mobile, das mobile, can mobile
rate case » state case, write case, rate caps
l afrique » en afrique
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: technological 3 innovation rate case mobile communication costs 4 developpement l afrique.*.