Perhaps you should try some spelling variations:
2.2 communication » 2.3 communication, 3.2 communication, 2.7 communication
based innovation » und innovation
innovation rates » innovation rate, innovation notes, innovation race
mine development » sme development, trade development, business development
development l » development li, development 1, development law
rates spaces » places spaces, papers spaces, spaces spaces
spaces 2.2 » space 2.2, spaces 2.1, spaces 4.2
costs mine » costs money, costs timing
l afrique » en afrique

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

• Adding a wildcard symbol may retrieve word variants: technology based innovation rates spaces 2.2 communication costs mine development l afrique.*.