Perhaps you should try some spelling variations:
culture invocation » culture information, culture innovations, culture incubation
4.2 communication » 4.2 communications, 3.2 communication, 4.1 communication
developpement du » developpement de, developpement des, developpement et
invocation when » innovation when, information when, innovation where
a developpement » au developpement, de developpement, le developpement
du afrique » en afrique, l afrique, de l'afrique
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 culture invocation when _ 4.2 communication costs a developpement du afrique.*.