Perhaps you should try some spelling variations:
innovation effect » innovating effect, innovation effort, innovation efforts
6.2 communication » 3.2 communication, 2.3 communication, 2.7 communication
developpement en » developpement et, developpement des, developpement de
a developpement » au developpement, de developpement, le developpement
technology 4 » technology _, technology 1, technology 3
4 innovation » 2 innovation, 3 innovation, der innovation
effect from » effects from, expect from, effect firm
from 6.2 » from 1.2, from 60, from 12
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 4 innovation effect from 6.2 communication costs a developpement en afrique.*.