Perhaps you should try some spelling variations:
downward communication » towards communication, aware communication, hazard communication
information context » information content, information contents, information centers
communication 2 » communication _, communication a, communication 3
technologies 2 » technologies _, technologies 4
model downward » model toward
context model » context models, content models, control model
developing de » developing e, developing ce, developing deep
3 developing » 3 development

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information context model downward communication 2 3 developing de l'afrique.*.