Perhaps you should try some spelling variations:
leur developpement » le developpement, deux developpements, de developpement
developpement en » developpement et, developpement des, developpement de
inflation trade » inflation rate, inflation rates, inflation tax
technology has » technology hard, technology have, technology how
has inflation » how inflation, u.s inflation, cases inflation
trade prices » crude prices, trade practices, trade policies
costs leur » costs clear

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

• Adding a wildcard symbol may retrieve word variants: technology has inflation trade prices _ communication costs leur developpement en afrique.*.