Perhaps you should try some spelling variations:
13.3.9 communication » 13.3.10 communication, 13.4.5 communication, 3.3.2 communication
communication from » communication 3, communication 1, communication 3.3
dem developpement » de developpement, des developpements, le developpement
inflation target » inflation targeting, inflation rate, inflation rates
developpement en » developpement et, developpement des, developpement de
target states » target sites, target spaces, target date
states 13.3.9 » states 13.3.2, states 3.3.1, states 12.3

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

• Adding a wildcard symbol may retrieve word variants: technology _ inflation target states 13.3.9 communication from dem developpement en afrique.*.