Perhaps you should try some spelling variations:
"palm do information series" » "palm do information services", "palm do informatics series", "palm do information service", "palm 2 information series", "palm 1 information series", "palm 3 information series", "palma de information series"
"senegal social innovation surveys" » "senegal social innovation series", "senegal social innovation systems", "senegal social isolation surveys", "senegal social integration surveys", "senegal social interaction surveys", "bengal social innovation surveys", "general social innovation surveys", "senegalese social innovation surveys"

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: (("palm do information series") OR ("senegal social innovation surveys"))~.
• Removing quotes may allow a broader search: (( palm do information series ) or ( senegal social innovation surveys ))~.
• Adding a wildcard symbol may retrieve word variants: (("palm do information series") or ("senegal social innovation surveys"))*.