Perhaps you should try some spelling variations:
3.2 communication » 3 communication, 2.3 communication, de communication
a developpement » au developpement, de developpement, le developpement
technology 4ir » technology 4, technology 4.1, technology 4.2
4ir inflation » der inflation, die inflation, aid inflation
inflation tax » inflation rate, inflation _, inflation target
des afrique » en afrique, de l'afrique
tax case » tax cases, tax base, tax bases
case 3.2 » case 4.2, case 3.1, case 5.2
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 4ir inflation tax case 3.2 communication costs a developpement des afrique.*.