Perhaps you should try some spelling variations:
2.2 communication » 2.3 communication, 3.2 communication, 2.7 communication
inflation target » inflation targeting, inflation rate, inflation rates
developpement l » developpement il, developpement la, developpement de
technology 1 » technology _
1 inflation » 10 inflation, 12 inflation, _ inflation
target rule » targets rule, target rate, target file
l afrique » en afrique
rule 2.2 » rules 2.2, rule 2.5, rule 3.2

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 2.2 communication costs _ developpement l afrique.*.