Perhaps you should try some spelling variations:
4.1 communication » 4 communication, 2.3 communication, 3.2 communication
technology voice » technology choice, technology choices, technology volume
inflation target » inflation targeting, inflation rate, inflation rates
developpement il » developpement de, developpement et, developpement du
voice inflation » price inflation, core inflation, die inflation
4 developpement » de developpement, le developpement, et developpement
target tasks » target task, forget tasks, target states
il afrique » l afrique, en afrique
tasks 4.1 » tasks 4.2, tasks 4.3, tasks 4.4
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 voice inflation target tasks 4.1 communication costs 4 developpement il afrique.*.