Perhaps you should try some spelling variations:
6.2 communication » 3.2 communication, 2.3 communication, 2.7 communication
communication 4.1 » communication 4.3, communication 7.1, communication 1
innovation state » innovation space, innovation rate, innovation strategy
et developpement » de developpement, le developpement, test development
developpement en » developpement et, developpement des, developpement de
technology 1 » technology _
1 innovation » 2 innovation, 3 innovation, 4 innovation
space 6.2 » spaces 6.2, space 3.2, space 2.2
4.1 et » 4.1 el, 4.1 en, 4.1 ex

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

• Adding a wildcard symbol may retrieve word variants: technology 1 innovation state space 6.2 communication 4.1 et developpement en afrique.*.