Perhaps you should try some spelling variations:
"palm how information service" » "palm how information services", "palm how information security", "palm new information service", "palm 2 information service", "palm 1 information service", "nam how information service", "palm os information service"
"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.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"palm how information service\") OR (\"senegal social innovation surveys\"))~".
• Removing quotes may allow a broader search: (( palm how information service ) OR ( senegal social innovation surveys ))~.
• Adding a wildcard symbol may retrieve word variants: (("palm how information service") OR ("senegal social innovation surveys"))*.