Perhaps you should try some spelling variations:
2.3.4 communication » 12.2.4 communication, 12.4.4 communication, 2.3 communication
au developpement » du developpement, de developpement, le developpement
developpement la » developpement de, developpement et, developpement du
inflation world » inflation gerold, innovation world, inflation build
world prices » food prices
prices 2.3.4 » prices 2.3.1, prices 2.3.5, prices 2.3.6
costs au » costs a, costs amy, costs _
la farce » la force, la face, la france

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

• Adding a wildcard symbol may retrieve word variants: technology _ inflation world prices 2.3.4 communication costs au developpement la farce.*.