Perhaps you should try some spelling variations:
2.7 communication » 2.3 communication, 3.2 communication, 2 communication
technology price » technology rich, technology voice, technology service
developpement la » developpement de, developpement et, developpement du
inflation rates » inflation rate
4 developpement » de developpement, le developpement, et developpement
rates case » rates cape, states case, rates east
la afrique » l afrique, la fabrique, en afrique
case 2.7 » case 2.3, case 2.1, case 2.2
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 price inflation rates case 2.7 communication costs 4 developpement la afrique.*.