Perhaps you should try some spelling variations:
6.2 communication » 3.2 communication, 2.3 communication, 2.7 communication
technology grade » technology trade, technology guides, technology gender
grade inflation » price inflation, trade information
inflation taxes » inflation rates, inflation tax, inflation targets
a developpement » au developpement, de developpement, le developpement
des afrique » en afrique, de l'afrique
taxes race » wages race, taxes reduce
race 6.2 » grace 6.2, race 4.2, race 6.4
costs a » costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technology grade inflation taxes race 6.2 communication costs a developpement des afrique.*.