Perhaps you should try some spelling variations:
technological changes » technological change, technological advances
changes innovation » change innovation, change innovations, changing innovation
2.3 communication » 3.2 communication, de communication, 4 communication
innovation nodes » innovation node, innovation notes, innovation models
le developpement » de developpement, sme development
developpement du » developpement de, developpement des, developpement et
costs le » costs _, costs 4, costs a
du farce » du marche, der farce, du parc
nodes b » nodes _, nodes vs
b 2.3 » b 2.1, b 2.2

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

• Adding a wildcard symbol may retrieve word variants: technological changes innovation nodes b 2.3 communication costs le developpement du farce.*.