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
developpement en » developpement et, developpement des, developpement de
technology used » technology use, technology based, technology users
inflation rates » inflation rate
communication 3 » communication _, communication a
used inflation » und inflation, cases inflation, musil inflation
rates spaces » places spaces, papers spaces, spaces spaces
spaces 6.2 » spaces 4.2, spaces 1.1, spaces 2.1
3 leur » a leur, 3 lehr

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

• Adding a wildcard symbol may retrieve word variants: technology used inflation rates spaces 6.2 communication 3 leur developpement en afrique.*.