Perhaps you should try some spelling variations:
crisis communication » risk communication, mass communication
communication pour » communication our, communication pt, communication policy
information costs » information contents, information centers, information content
based development » basin development, land development, rapid development
development pan » development plan, development plans, development japan
pan african » pan american, can africa, pan africanism
pour based » power based, pcr based, four bases
15 crisis » 19 crisis, 1 crisis, 11 crisis
costs 15 » costs 5, costs 1, costs 15.3

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

• Adding a wildcard symbol may retrieve word variants: technologies _ information costs 15 crisis communication pour based development pan african.*.