Perhaps you should try some spelling variations:
2.3.6 communication » 2.3 communication, 2.2.3 communication, 2.8.3 communication
developpement de » developpement des, developpement durable
inflation copra » inflation co, inflation gopi, inflation control
4 developpement » de developpement, le developpement, et developpement
technology der » technology does, technology 4ir, technology dlt
der inflation » core inflation, _ inflation, low inflation
copra prices » cocoa prices, corn prices, copper prices
prices 2.3.6 » prices 2.3.1, prices 2.3.4, prices 2.3.5
de fabrique » la fabrique, 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 der inflation copra prices 2.3.6 communication costs 4 developpement de fabrique.*.