Perhaps you should try some spelling variations:
hazard communication » towards communication, based communication, brand communication
information content » information contents, information centers, information centre
communication 2.3.3 » communication 3.3, communication 2.4, communication 3.2
technologies 4 » technologies _
4 information » 2 information, 1 information
3 developing » 3 development
content 3.1 » contents 3.1, context 3.1, content 3.2
3.1 hazard » 1.1 hazard, 3.2.1 hazard, 3 hazard
2.3.3 3 » 2.3.3 _, 2.3.3 a, 2.3.3 ai

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

• Adding a wildcard symbol may retrieve word variants: technologies 4 information content 3.1 hazard communication 2.3.3 3 developing _ afrique.*.