Perhaps you should try some spelling variations:
information resource » information resources, information source, information sources
2.1 communication » 2.14 communication, 2.3 communication, 2.7 communication
de developpement » sme development
developpement l » developpement il, developpement la, developpement de
resource case » resources case, resource base, resource curse
l afrique » en afrique
case 2.1 » cases 2.1, case 4.1, case 2.3
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 resource case 2.1 communication costs de developpement l afrique.*.