Perhaps you should try some spelling variations:
2.3.6 communication » 2.3 communication, 2.2.3 communication, 2.8.3 communication
technology 3.3.3 » technology 3.1.3, technology 3.3.1, technology 3.3.4
developpement du » developpement de, developpement des, developpement et
3.3.3 inflation » 2.3.1 inflation, 5.33 inflation, 5.4.3 inflation
4 developpement » de developpement, le developpement, et developpement
inflation und » inflation index, inflation _, inflation tax
prices 2.3.6 » prices 2.3.1, prices 2.3.4, prices 2.3.5
und prices » fund prices, land prices, bond prices
du afrique » en afrique, l afrique, de l'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 3.3.3 inflation und prices 2.3.6 communication costs 4 developpement du afrique.*.