Perhaps you should try some spelling variations:
2.3.6 communication » 2.3 communication, 2.2.3 communication, 2.8.3 communication
developpement en » developpement et, developpement des, developpement de
a developpement » au developpement, de developpement, le developpement
inflation und » inflation index, inflation _, inflation tax
technology 2 » technology _, technology 1, technology 3
prices 2.3.6 » prices 2.3.1, prices 2.3.4, prices 2.3.5
2 inflation » 12 inflation, _ inflation, 6 inflation
und prices » fund prices, land prices, bond prices
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 2 inflation und prices 2.3.6 communication costs a developpement en afrique.*.