Perhaps you should try some spelling variations:
2.7 communication » 2.3 communication, 3.2 communication, 2 communication
ecological gains » technological gains, ecological bank, ecological ruin
gains innovation » chains innovation, chains innovations, basics innovation
innovation rates » innovation rate, innovation notes, innovation race
developpement de » developpement des, developpement durable
de fabrique » la fabrique, de l'afrique
have 2.7 » have 5.3, have 9.1

You may be able to get more results by adjusting your search query.

• Adding a wildcard symbol may retrieve word variants: ecological gains innovation rates have 2.7 communication costs _ developpement de fabrique.*.