Perhaps you should try some spelling variations:
3.2 communication » 3 communication, 2.3 communication, de communication
inflation target » inflation targeting, inflation rate, inflation rates
developpement en » developpement et, developpement des, developpement de
technology 1 » technology _
1 inflation » 10 inflation, 12 inflation, _ inflation
target rule » targets rule, target rate, target file
rule 3.2 » rules 3.2, rule 2.2, rule 3.1

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

• Adding a wildcard symbol may retrieve word variants: technology 1 inflation target rule 3.2 communication costs _ developpement en afrique.*.