Perhaps you should try some spelling variations:
risk communication » _ communication, mobile communication
information based » information case, information age, information use
technologies a » technologies _
de development » e development, de developpement, code development
development co » development _, development a, development case
a information » _ information, land information, award information
systems de » systems do, systems key, systems _
does » des

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 based does risk communication systems de development co afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies a information based does risk communication systems de development co afrique.*.