Perhaps you should try some spelling variations:
communications case » communication case, communications can, communications code
3.3 communications » 3.1 communications, 3.3 communication, 2.3 communication
du developpement » de developpement, le developpement, et developpement
inflation tax » inflation rate, inflation _, inflation target
des afrique » en afrique, de l'afrique
tax rice » tax rate, tax rule, tax re
rice 3.3 » rice 3.1, rice 2.1, rice 4.1
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 rice 3.3 communications case du developpement des afrique.*.