Perhaps you should try some spelling variations:
2.7 communication » 2.3 communication, 3.2 communication, 2 communication
information some » information source, information stored, information space
de developpement » sme development
developpement l » developpement il, developpement la, developpement de
l afrique » en afrique
case 2.7 » case 2.3, case 2.1, case 2.2
costs de » costs _, costs 4, costs a

You may be able to get more results by adjusting your search query.

• Adding a wildcard symbol may retrieve word variants: technology _ information some case 2.7 communication costs de developpement l afrique.*.