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
innovation space » innovation impact, innovation science, innovation sources
et developpement » de developpement, le developpement, test development
developpement de » developpement des, developpement durable
de afrique » de l'afrique, en afrique, l afrique
space age » space race, space area, space a
age 3.4.2 » age 3.4.4, age 3.4.8, age 3.4.3.2
costs et » 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 china innovation space age 3.4.2 communication costs et developpement de afrique.*.