Perhaps you should try some spelling variations:
3.3 communication » 2.3 communication, 3.2 communication, 3.5 communication
information heat » information how, information have, information herbert
le developpement » de developpement, sme development
developpement l » developpement il, developpement la, developpement de
heat risk » health risk, great risk, cat risk
l afrique » en afrique
risk 3.3 » risk 3.1
costs le » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technology _ information heat risk 3.3 communication costs le developpement l afrique.*.