Perhaps you should try some spelling variations:
communication cross » communication costs
2.3 communication » 3.2 communication, de communication, 4 communication
inflation target » inflation targeting, inflation rate, inflation rates
do developpement » de developpement, du developpement, le developpement
developpement en » developpement et, developpement des, developpement de
target rule » targets rule, target rate, target file
rule 2.3 » rule 1.3, rule 2.2, rule 2.5
cross do » cross _, boss do, cross 1

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

• Adding a wildcard symbol may retrieve word variants: technology _ inflation target rule 2.3 communication cross do developpement en afrique.*.