Perhaps you should try some spelling variations:
information speed » information sheet, information needed, information needs
6.2 communication » 3.2 communication, 2.3 communication, 2.7 communication
developpement du » developpement de, developpement des, developpement et
speed practical » meed practical, need practical, based practical
a developpement » au developpement, de developpement, le developpement
practical 6.2 » practical 3.6.2, practice 6.2, practical 10.3
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 _ information speed practical 6.2 communication costs a developpement du afrique.*.