Perhaps you should try some spelling variations:
information resource » information resources, information source, information sources
d1 communication » de communication, 1 communication, 4.1 communication
resource case » resources case, resource base, resource curse
technology 2 » technology _, technology 1, technology 3
a developing » a development
developing a » developing _
a afrique » l afrique, en afrique
case d1 » case 1, case d, case 11
costs a » costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technology 2 information resource case d1 communication costs a developing a afrique.*.