Perhaps you should try some spelling variations:
3.2 communication » 3 communication, 2.3 communication, de communication
technology chain » technology can, technology china, technology changing
chain innovation » chain integration, open innovation, green innovation
innovation rates » innovation rate, innovation notes, innovation race
developpement et » developpement des, developpement de, development east
a developpement » au developpement, de developpement, le developpement
et afrique » en afrique, l afrique
have 3.2 » leave 3.2, have 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 chain innovation rates have 3.2 communication costs a developpement et afrique.*.