Perhaps you should try some spelling variations:
2.3.4 communication » 12.2.4 communication, 12.4.4 communication, 2.3 communication
developpement la » developpement de, developpement et, developpement du
4 developpement » de developpement, le developpement, et developpement
inflation land » inflation und, inflation can, inflation linked
technology 1 » technology _
prices 2.3.4 » prices 2.3.1, prices 2.3.5, prices 2.3.6
1 inflation » 10 inflation, 12 inflation, _ inflation
la afrique » l afrique, la fabrique, 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 1 inflation land prices 2.3.4 communication costs 4 developpement la afrique.*.