Perhaps you should try some spelling variations:
3.1 communication » 3.1 communications, 3.2 communication, 3.5 communication
des developpement » des developpements, de developpement, le developpement
developpement l » developpement il, developpement la, developpement de
inflation und » inflation index, inflation _, inflation tax
und prices » fund prices, land prices, bond prices
prices 3.1 » prices 2.1, prices 3.2, prices 2.3.1
costs des » costs fees
l afrique » en afrique

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

• Adding a wildcard symbol may retrieve word variants: technology _ inflation und prices 3.1 communication costs des developpement l afrique.*.