Perhaps you should try some spelling variations:
leur developpement » le developpement, deux developpements, de developpement
6.2 communication » 3.2 communication, 2.3 communication, 2.7 communication
inflation places » inflation policies, inflation process, inflation rates
developpement en » developpement et, developpement des, developpement de
technology used » technology use, technology based, technology users
used inflation » und inflation, cases inflation, musil inflation
places spaces » place space
spaces 6.2 » spaces 4.2, spaces 1.1, spaces 2.1

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

• Adding a wildcard symbol may retrieve word variants: technology used inflation places spaces 6.2 communication a leur developpement en afrique.*.