Perhaps you should try some spelling variations:
developpement la » developpement de, developpement et, developpement du
technology than » technology tax, technology trap, technology change
3 communication » 4 communication, de communication, data communication
a developpement » au developpement, de developpement, le developpement
than inflation » has inflation, than information, huang inflation
inflation coal » inflation can, inflation co, inflation tax
coal prices » oil prices, cereal prices
la afrique » l afrique, la fabrique, en afrique
prices 3 » prices _, prices a, prices 4
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 than inflation coal prices 3 communication costs a developpement la afrique.*.