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
le developpement » de developpement, sme development
developpement en » developpement et, developpement des, developpement de
innovation rate » innovation race, innovation create, innovation state
rate case » state case, write case, rate caps
case 6.2 » case 6.12, case f6.2, case 4.2
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 rate case 6.2 communication costs le developpement en afrique.*.