Perhaps you should try some spelling variations:
hazard communication » towards communication, based communication, brand communication
information age » information storage, information access, information about
communication 1 » communication _, communication a, communication 3
3 developing » 3 development
developing a » developing _
1.1 hazard » 3.1 hazard, 4.2 hazard, 6.2 hazard
a afrique » l afrique, en afrique
age 1.1 » age 18.1, age 19.1, age 4.1

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

• Adding a wildcard symbol may retrieve word variants: technologies _ information age 1.1 hazard communication 1 3 developing a afrique.*.