Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
2.1 communications » 3.1 communications, 4.1 communication, 1.1 communication
del developpement » de developpement, des developpements, le developpement
inflation target » inflation targeting, inflation rate, inflation rates
target space » target spaces, market space, target species
des afrique » en afrique, de l'afrique
costs del » costa del, costo del

You may be able to get more results by adjusting your search query.

• Adding a wildcard symbol may retrieve word variants: technology _ inflation target space 2.1 communications costs del developpement des afrique.*.