Perhaps you should try some spelling variations:
6.2 communication » 3.2 communication, 2.3 communication, 2.7 communication
le developpement » de developpement, sme development
technology area » technology arena, technology array, technology age
infection rates » inflation rates
developpement l » developpement il, developpement la, developpement de
area infection » area inflation, early infection, area selection
rates spaces » places spaces, papers spaces, spaces spaces
spaces 6.2 » spaces 4.2, spaces 1.1, spaces 2.1
efforts le » efforts role, efforts old, efforts _
l afrique » en afrique

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

• Adding a wildcard symbol may retrieve word variants: technology area infection rates spaces 6.2 communication efforts le developpement l afrique.*.