Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
4.2 communications » 4.2 communication, 3.2 communication, 6.2 communication
technology choice » technology change
choice inflation » choice information, price inflation
au developpement » du developpement, de developpement, le developpement
developpement du » developpement de, developpement des, developpement et
du afrique » en afrique, l afrique, de l'afrique
rate case » state case, write case, rate caps
case 4.2 » case 4.1, case 2
costs au » costs a, costs amy, costs _

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 4.2 communications costs au developpement du afrique.*.