Perhaps you should try some spelling variations:
1.4 communication » 5.4 communication, 1.1 communication, 1.3 communication
developpement de » developpement des, developpement durable
technology gaps » technology gap
gaps innovation » als innovation, cars innovation, groups innovation
innovation 14.5 » innovation 11.5, innovation 14.1, innovation 1.5
a developpement » au developpement, de developpement, le developpement
14.5 practice » 1.5 practice, 12.5 practical, 17.5 practical
practice 1.4 » practice 11.4, practice 4.4, practice 7.4
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 gaps innovation 14.5 practice 1.4 communication costs a developpement de afrique.*.