Perhaps you should try some spelling variations:
downward communication » towards communication, aware communication, hazard communication
communication 3.1 » communication 3.3, communication 3.2, communication 3.4
technologies co » technologies _, technologies 4, technologies 2
co information » do information, 2 information, 1 information
contents hold » contents head, contents how, contents 3rd
f developing » 3 developing, 4 developing, 2 developing
developing e » developing _, developing a, developing east
e afrique » en afrique, l afrique, de l'afrique
3.1 f » 3.1 _, 3.1 a, 3.1 k

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

• Adding a wildcard symbol may retrieve word variants: technologies co information contents hold downward communication 3.1 f developing e afrique.*.