Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
4.3 communications » 4.3 communication, 2.3 communication, 1.3 communication
developpement de » developpement des, developpement durable
a developpement » au developpement, de developpement, le developpement
technology die » technologie die, technology does, technology 4ir
die inflation » does inflation, der inflation, price inflation
rate species » rare species, crane species, trace species
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: technology die inflation rate species 4.3 communications costs a developpement de l'afrique.*.