Perhaps you should try some spelling variations:
2.7 communication » 2.3 communication, 3.2 communication, 2 communication
innovation case » innovation based, innovation chapter, innovation center
a developpement » au developpement, de developpement, le developpement
des afrique » en afrique, de l'afrique
case date » case data, cases data, case case
date 2.7 » gate 2.7, rate 2.7, daten 2.3
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 _ innovation case date 2.7 communication costs a developpement des afrique.*.