Perhaps you should try some spelling variations:
communications case » communication case, communications can, communications code
3.1 communications » 3.1 communication, 4.1 communication, 1.1 communication
du developpement » de developpement, le developpement, et developpement
inflation tax » inflation rate, inflation _, inflation target
des afrique » en afrique, de l'afrique
tax rule » tax rules, tax rate
rule 3.1 » rule 13.1, rule 3.2, rule 3.3
case du » case d, case d1, case d2

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

• Adding a wildcard symbol may retrieve word variants: techno domestic inflation tax rule 3.1 communications case du developpement des afrique.*.