Perhaps you should try some spelling variations:
hazard communication » towards communication, based communication, brand communication
information costs » information contents, information centers, information content
communication 7.1 » communication 4.1, communication 1, communication 3.3
technologies do » technologies de, technologies box, technologies daf
do information » 2 information, 1 information, 3 information
development li » development lid, development lie, development lin
1.1 hazard » 3.1 hazard, 4.2 hazard, 6.2 hazard
li afrique » l afrique, en afrique
costs 1.1 » costs 11.1, costs 4.1, costs 2.1
7.1 a » 2.1 a, 7.1 _, 3.1 a

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

• Adding a wildcard symbol may retrieve word variants: technologies do information costs 1.1 hazard communication 7.1 a development li afrique.*.