Perhaps you should try some spelling variations:
13.3.9 communication » 13.3.10 communication, 13.4.5 communication, 3.3.2 communication
developpement de » developpement des, developpement durable
innovation rate » innovation race, innovation create, innovation state
a developpement » au developpement, de developpement, le developpement
technology can » technology change, technology 1, technology 2.2
can innovation » tan innovation, chain innovation, lean innovation
sample 13.3.9 » sample 13.3.4, sample 1.3.2, sample 1.3.3
rate sample » rate example, data sample, bat sample
de afrique » de l'afrique, en afrique, l afrique
costs a » costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technology can innovation rate sample 13.3.9 communication costs a developpement de afrique.*.