Perhaps you should try some spelling variations:
5.2 communication » 3.2 communication, 6.2 communication, 2.2 communication
developpement il » developpement de, developpement et, developpement du
technology rich » technology risk, technology africa, technology rights
4 developpement » de developpement, le developpement, et developpement
rich inflation » price inflation, high inflation, die inflation
il afrique » l afrique, en afrique
rate case » state case, write case, rate caps
case 5.2 » case 4.2, case 3.2, case 2
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technology rich inflation rate case 5.2 communication costs 4 developpement il afrique.*.