Perhaps you should try some spelling variations:
casl communication » cell communication, cell communications, oral communication
information needs » information networks
technologies 2 » technologies _, technologies 4
development ds » development d, development does, development desd
ds afrique » en afrique, l afrique, de l'afrique
needs 2.2 » needs 2.3, needs 2.5, needs 2.8
2.2 casl » 2.2 case, 2.2 cas, 2.2 causal

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information needs 2.2 casl communication a 2 development ds afrique.*.