Perhaps you should try some spelling variations:
7.2.3 communication » 2.2.3 communication, 3.2.3 communication, 7.2.1 communication
developpement il » developpement de, developpement et, developpement du
technology 5.33 » technology 5.3, technology 5.3.1, technology 2.3
4 developpement » de developpement, le developpement, et developpement
5.33 inflation » 3.3.3 inflation, 5.4.3 inflation, 2.3 inflation
inflation und » inflation index, inflation _, inflation tax
prices 7.2.3 » prices 7.2.2, prices 11.2.3, price 5.2.3
und prices » fund prices, land prices, bond prices
il afrique » l afrique, en afrique
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technology 5.33 inflation und prices 7.2.3 communication costs 4 developpement il afrique.*.