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
developpement il » developpement de, developpement et, developpement du
a developpement » au developpement, de developpement, le developpement
il afrique » l afrique, en afrique
rate case » state case, write case, rate caps
case 4.2 » case 4.1, case 2
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 4.2 communications costs a developpement il afrique.*.