Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
3.1 communications » 3.1 communication, 4.1 communication, 1.1 communication
technology voice » technology choice, technology choices, technology volume
developpement du » developpement de, developpement des, developpement et
voice inflation » price inflation, core inflation, die inflation
inflation rates » inflation rate
4 developpement » de developpement, le developpement, et developpement
rates rate » rates rates, dates rates, rates raise
du afrique » en afrique, l afrique, de l'afrique
rate 3.1 » rate 3.10, rates 3.1, rate 3.4
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 rates rate 3.1 communications costs 4 developpement du afrique.*.