Perhaps you should try some spelling variations:
leur developpement » le developpement, deux developpements, de developpement
communication case » communications case, communication based, communication phase
3.5 communication » 3.2 communication, 3 communication, 2.3 communication
developpement la » developpement de, developpement et, developpement du
technology log » technology lag, technology low, technology law
inflation food » inflation good, inflation from, inflation und
log inflation » low inflation, local inflation, lower inflation
prices 3.5 » prices 3.1, prices 3.2, prices 7.5
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 log inflation food prices 3.5 communication case leur developpement la afrique.*.