Perhaps you should try some spelling variations:
technologies hidden » technologies evidence
hidden information » student information, budget information, chief information
risk communication » _ communication, mobile communication
communication pour » communication costs, communication modes, communication _
de developpement » _ development, a development, sme development
developpement en » development _, development a, development co

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies hidden information _ does risk communication pour de developpement en afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies hidden information _ does risk communication pour de developpement en afrique.*.