Perhaps you should try some spelling variations:
2.3.5 communication » 2.3 communication, 2.2.3 communication, 2.5 communication
inflation gerold » inflation levels, inflation across, inflation der
developpement de » developpement des, developpement durable
a developpement » au developpement, de developpement, le developpement
gerold prices » gold prices, world prices, gold price
technology 3 » technology _, technology 1, technology 4
prices 2.3.5 » prices 2.3.1, prices 2.3.4, prices 2.3.6
3 inflation » _ inflation, 2 inflation, 6 inflation
de fabrique » la fabrique, de l'afrique
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 3 inflation gerold prices 2.3.5 communication costs a developpement de fabrique.*.