Perhaps you should try some spelling variations:
leur developpement » le developpement, deux developpements, de developpement
3.2 communication » 3 communication, 2.3 communication, de communication
developpement en » developpement et, developpement des, developpement de
technology log » technology lag, technology low, technology law
log inflation » low inflation, local inflation, lower inflation
rate spaces » state spaces, data spaces, safe spaces
spaces 3.2 » space 3.2, spaces 4.2, spaces 6.2

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

• Adding a wildcard symbol may retrieve word variants: technology log inflation rate spaces 3.2 communication a leur developpement en afrique.*.