Perhaps you should try some spelling variations:
leur developpement » le developpement, deux developpements, de developpement
4.1 communication » 4 communication, 2.3 communication, 3.2 communication
developpement il » developpement de, developpement et, developpement du
technology log » technology lag, technology low, technology law
inflation from » inflation rob, information from, inflation gross
log inflation » low inflation, local inflation, lower inflation
from prices » from price, from process, farm prices
prices 4.1 » price 4.1, prices 2.1, prices 3.1
costs leur » costs clear
il afrique » l afrique, en afrique

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

• Adding a wildcard symbol may retrieve word variants: technology log inflation from prices 4.1 communication costs leur developpement il afrique.*.