Perhaps you should try some spelling variations:
5.5.2 communication » 3.3.2 communication, 3.4.2 communication, 4.2.2 communication
technological u.s » technological uses, technological 3.5, technological units
developpement il » developpement de, developpement et, developpement du
innovation rate » innovation race, innovation create, innovation state
u.s innovation » does innovation
il afrique » l afrique, en afrique
cap 5.5.2 » csp 5.5.2, case 5.5.2, ad 5.5.2
rate cap » rate caps

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

• Adding a wildcard symbol may retrieve word variants: technological u.s innovation rate cap 5.5.2 communication costs _ developpement il afrique.*.