Perhaps you should try some spelling variations:
crisis communication » risk communication, mass communication
technologies a » technologies _
information et » information act, information _, information need
development co » development _, development a, development case
a information » _ information, land information, award information
a development » _ development, clean development, asian development
networks a » networks _, network _
de crisis » debt crisis, pre crisis, age crisis

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies a information et de crisis communication networks a development co afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies a information et de crisis communication networks a development co afrique.*.