Perhaps you should try some spelling variations:
innovation effects » innovation effect, innovation efforts, innovating effect
2.5 communication » 2.3 communication, 2.7 communication, 3.5 communication
developpement de » developpement des, developpement durable
a developpement » au developpement, de developpement, le developpement
technology 24 » technology 2.4, technology 4, technology 2
24 innovation » 2 innovation, 4 innovation, 20 innovation
de afrique » de l'afrique, en afrique, l afrique
from 2.5 » from 2.3, from 25, from 2.9
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 24 innovation effects from 2.5 communication costs a developpement de afrique.*.