Perhaps you should try some spelling variations:
1.1 communication » 4.1 communication, 1.3 communication, 1.4 communication
technology price » technology rich, technology voice, technology service
developpement en » developpement et, developpement des, developpement de
inflation rates » inflation rate
a developpement » au developpement, de developpement, le developpement
rates prices » water prices, gate prices, wages prices
prices 1.1 » prices 2.1, prices 3.1, prices 2.4
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 price inflation rates prices 1.1 communication costs a developpement en afrique.*.