Perhaps you should try some spelling variations:
3.4.2 communication » 3.3.2 communication, 3.4.1 communication, 3.4.4 communication
technology china » technology change, technology choice, technology can
china innovation » data innovation, drive innovation
developpement en » developpement et, developpement des, developpement de
innovation race » innovation rate, innovation space, innovation brac
4 developpement » de developpement, le developpement, et developpement
have 3.4.2 » have 9.2.2
race have » race race
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technology china innovation race have 3.4.2 communication costs 4 developpement en afrique.*.