Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
3.1 communications » 3.1 communication, 4.1 communication, 1.1 communication
seismology volume » technology volume
volume inflation » volume ventilation, volume evaluation, core inflation
inflation target » inflation targeting, inflation rate, inflation rates
developpement du » developpement de, developpement des, developpement et
a developpement » au developpement, de developpement, le developpement
target date » target rate, target range
du afrique » en afrique, l afrique, de l'afrique
date 3.1 » daten 3.1, data 3.1, debate 3.1
costs a » costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: seismology volume inflation target date 3.1 communications costs a developpement du afrique.*.