Perhaps you should try some spelling variations:
12.2.4 communication » 2.2.3 communication, 5.4 communication, 2.3 communication
a developpement » au developpement, de developpement, le developpement
inflation tax » inflation rate, inflation _, inflation target
price 12.2.4 » price 11.4, price 2.2, price 2.4
des afrique » en afrique, de l'afrique
tax price » tax crime, fox price
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 _ inflation tax price 12.2.4 communication costs a developpement des afrique.*.