Perhaps you should try some spelling variations:
technology private » technology preface, technology rate, technology related
private innovation » private information, drive innovation, promote innovation
5.3 communication » 2.3 communication, 4.3 communication, 1.3 communication
developpement du » developpement de, developpement des, developpement et
innovation race » innovation rate, innovation space, innovation brac
a developpement » au developpement, de developpement, le developpement
du afrique » en afrique, l afrique, de l'afrique
race have » race race
have 5.3 » leave 5.3, have 9.1
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 private innovation race have 5.3 communication costs a developpement du afrique.*.