Perhaps you should try some spelling variations:
leur developpement » le developpement, deux developpements, de developpement
2.7 communication » 2.3 communication, 3.2 communication, 2 communication
developpement et » developpement des, developpement de, development east
technology case » technology based, technology can, technology change
case inflation » cases inflation, core inflation, wage inflation
inflation safe » inflation rate, inflation rates, inflation taxes
safe space » safe spaces, state space, space space
et afrique » en afrique, l afrique
space 2.7 » space 2.1, space 2.2, space 2.3

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

• Adding a wildcard symbol may retrieve word variants: technology case inflation safe space 2.7 communication _ leur developpement et afrique.*.