Perhaps you should try some spelling variations:
hazard communication » towards communication, based communication, brand communication
information costs » information contents, information centers, information content
technologies 2 » technologies _, technologies 4
3.2 developing » 3.3 developing, 2.2 developing, 3 developing
developing e » developing _, developing a, developing east
e afrique » en afrique, l afrique, de l'afrique
4 hazard » _ hazard, a hazard, 5 hazard
costs 4 » costs _, costs a, costs 4.2
a 3.2 » _ 3.2, a 4.2

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information costs 4 hazard communication a 3.2 developing e afrique.*.