Perhaps you should try some spelling variations:
technology choice » technology change
3.1 communication » 3.1 communications, 3.2 communication, 3.5 communication
choice inflation » choice information, price inflation
developpement de » developpement des, developpement durable
a developpement » au developpement, de developpement, le developpement
de afrique » de l'afrique, en afrique, l afrique
rate case » state case, write case, rate caps
case 3.1 » case 4.1, case 3.2, case 1
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 choice inflation rate case 3.1 communication costs a developpement de afrique.*.