Perhaps you should try some spelling variations:
needs innovations » new innovations, bonds innovations, des innovations
innovations class » innovations case, innovations across, innovations east
2.3 communication » 3.2 communication, de communication, 4 communication
technology needs » technology new
developpement de » developpement des, developpement durable
4 developpement » de developpement, le developpement, et developpement
class file » class field, class die, class fish
de afrique » de l'afrique, en afrique, l afrique
file 2.3 » file 2.7, file 23, file 2.4.3
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 needs innovations class file 2.3 communication costs 4 developpement de afrique.*.