Perhaps you should try some spelling variations:
downward communication » towards communication, aware communication, hazard communication
technologies key » technologies any, technologies know, technologies _
information step » information steve, information system, information states
key information » energy information
communication 3 » communication _, communication a
3 developing » 3 development
developing l » developing l2, developing _, developing a
a downward » _ downward
l afrique » en afrique
step a » step _, step 1, step 2

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

• Adding a wildcard symbol may retrieve word variants: technologies key information step a downward communication 3 3 developing l afrique.*.