Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
3.1 communications » 3.1 communication, 4.1 communication, 1.1 communication
del developpement » de developpement, des developpements, le developpement
inflation target » inflation targeting, inflation rate, inflation rates
developpement l » developpement il, developpement la, developpement de
target space » target spaces, market space, target species
space 3.1 » space 2.1, space 3.2, space 3.3
costs del » costa del, costo del
l afrique » en afrique

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 3.1 communications costs del developpement l afrique.*.