Perhaps you should try some spelling variations:
innovation effect » innovating effect, innovation effort, innovation efforts
2.7 communication » 2.3 communication, 3.2 communication, 2 communication
developpement en » developpement et, developpement des, developpement de
a developpement » au developpement, de developpement, le developpement
technology a » technology 1, technology 3, technology 4
a innovation » 2 innovation, 3 innovation, 4 innovation
effect from » effects from, expect from, effect firm
from 2.7 » from 2.3, from 2.5, 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 a innovation effect from 2.7 communication costs a developpement en afrique.*.