Perhaps you should try some spelling variations:
13.2.1 communication » 13.2.2 communications, 13.3.10 communication, 12.2.4 communication
developpement de » developpement des, developpement durable
inflation rates » inflation rate
a developpement » au developpement, de developpement, le developpement
technology die » technologie die, technology does, technology 4ir
die inflation » does inflation, der inflation, price inflation
east 13.2.1 » east 3.4.1
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: technology die inflation rates east 13.2.1 communication costs a developpement de l'afrique.*.