Perhaps you should try some spelling variations:
technology change » technological change, technological changes
change innovation » change information, chain innovation, trade innovation
6.2 communication » 3.2 communication, 2.3 communication, 2.7 communication
innovation rates » innovation rate, innovation notes, innovation race
de developpement » sme development
developpement la » developpement de, developpement et, developpement du
rates more » creates more, rates money, takes more
la afrique » l afrique, la fabrique, en afrique
more 6.2 » more 2.2, more 4.2, more 7.2
costs de » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technology change innovation rates more 6.2 communication costs de developpement la afrique.*.