Perhaps you should try some spelling variations:
technology change » technological change, technological changes
change innovation » change information, chain innovation, trade innovation
2.3 communication » 3.2 communication, de communication, 4 communication
innovation rates » innovation rate, innovation notes, innovation race
le developpement » de developpement, sme development
developpement et » developpement des, developpement de, development east
et afrique » en afrique, l afrique
east 2.3 » east 2.1, east 4.3, east 483
costs le » 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 east 2.3 communication costs le developpement et afrique.*.