Perhaps you should try some spelling variations:
13.1 communication » 1.1 communication, 3.1 communication, 3.2 communication
communication can » communication canada, communication china, communication 3
vol developpement » ou developpement, de developpement, le developpement
inflation target » inflation targeting, inflation rate, inflation rates
developpement en » developpement et, developpement des, developpement de
technology 3 » technology _, technology 1, technology 4
3 inflation » _ inflation, 2 inflation, 6 inflation
target rule » targets rule, target rate, target file
rule 13.1 » rule 14.1, rule 3.1, rule 13.3.1
can vol » can val, can vote

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

• Adding a wildcard symbol may retrieve word variants: technology 3 inflation target rule 13.1 communication can vol developpement en afrique.*.