Perhaps you should try some spelling variations:
2.14 communication » 2.4 communication, 5.4 communication, 2.3 communication
le developpement » de developpement, sme development
developpement de » developpement des, developpement durable
from innovation » firm innovation, from information, eco innovation
de afrique » de l'afrique, en afrique, l afrique
rice 2.14 » rice 2.1, rice 3.1, rice 4.1
costs le » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technology from innovation _ rice 2.14 communication costs le developpement de afrique.*.