Perhaps you should try some spelling variations:
technological changes » technological change, technological advances
changes innovation » change innovation, change innovations, changing innovation
4.2 developpement » 4.2 development, de developpement, le developpement
de communication » mobile communication, online communication
developpement de » developpement des, developpement durable
innovation race » innovation rate, innovation space, innovation brac
de farce » der farce, de arce, de force

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

• Adding a wildcard symbol may retrieve word variants: technological changes innovation race _ de communication costs 4.2 developpement de farce.*.