Perhaps you should try some spelling variations:
study innovation » story innovation, study innovative, studies innovation
innovation rate » innovation race, innovation create, innovation state
3 communication » 4 communication, de communication, data communication
de development » e development, ce development, de developpement
rate rates » rates rates, dates rates, frame rates
1 afrique » l afrique, en afrique, 1 enrique
costs de » costs _, costs 4, costs a
rates 3 » rates _, rates a, rates 7

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

• Adding a wildcard symbol may retrieve word variants: technology study innovation rate rates 3 communication costs de development 1 afrique.*.