Perhaps you should try some spelling variations:
"senegal personal information security" » "senegal personal information society", "senegal personal information sharing", "legal persona information security"
"scale student information service" » "scale student information services", "scale budget information service", "scale payment information service", "scale patient information service", "male student information service", "female student information service", "male students information service"

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (("scale student information service") OR ("senegal personal information security"))~.
• Removing quotes may allow a broader search: (( scale student information service ) or ( senegal personal information security ))~.
• Adding a wildcard symbol may retrieve word variants: (("scale student information service") or ("senegal personal information security"))*.