Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
technology voice » technology choice, technology choices, technology volume
4 communications » 14 communications, 4 communication, 2 communications
au developpement » du developpement, de developpement, le developpement
developpement du » developpement de, developpement des, developpement et
voice inflation » price inflation, core inflation, die inflation
inflation rates » inflation rate
rates trade » states trade, rules trade, wages trade
du afrique » en afrique, l afrique, de l'afrique
costs au » costs a, costs amy, costs _
trade 4 » trade _, trade a

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 trade 4 communications costs au developpement du afrique.*.