Perhaps you should try some spelling variations:
leur developpement » le developpement, deux developpements, de developpement
technology huang » technology human, technology hong, technology change
developpement la » developpement de, developpement et, developpement du
huang inflation » has inflation, rising inflation
inflation coal » inflation can, inflation co, inflation tax
coal prices » oil prices, cereal prices
costs leur » costs clear
la afrique » l afrique, la fabrique, en afrique

You may be able to get more results by adjusting your search query.

• Adding a wildcard symbol may retrieve word variants: technology huang inflation coal prices _ communication costs leur developpement la afrique.*.