Perhaps you should try some spelling variations:
6.2 communication » 3.2 communication, 2.3 communication, 2.7 communication
des developpement » des developpements, de developpement, le developpement
technology about » technology albert, technology south, technology act
inflation rates » inflation rate
communication 3 » communication _, communication a
developpement l » developpement il, developpement la, developpement de
rates spaces » places spaces, papers spaces, spaces spaces
spaces 6.2 » spaces 4.2, spaces 1.1, spaces 2.1
l afrique » en afrique
3 des » 3 der, 3 das, a des

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

• Adding a wildcard symbol may retrieve word variants: technology about inflation rates spaces 6.2 communication 3 des developpement l afrique.*.