Perhaps you should try some spelling variations:
"sociology and learning statistical service" » "sociology and making statistical service", "sociology and learning statistical services", "sociology and learning statistical device", "sociology and learning statistics service"
"sociology and learning practical service" » "sociology and learning practices service", "sociology and containing practical service", "sociology and learning practice service", "sociology and learning practices services"
"sociology and nursing practice services" » "sociology and nursing practices services", "sociology and nursing practice service", "sociology and nursing practices service"

Try widening your search to All Fields.

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: (("sociology and nursing practice services") OR ((("sociology and learning practical service") OR ("sociology and learning statistical service")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"sociology and nursing practice services\") or (((\"sociology and learning practical service\") OR (\"sociology and learning statistical service\"))))".
• Removing quotes may allow a broader search: (( sociology and nursing practice services ) or ((( sociology and learning practical service ) OR ( sociology and learning statistical service )))).
• Adding a wildcard symbol may retrieve word variants: (("sociology and nursing practice services") or ((("sociology and learning practical service") OR ("sociology and learning statistical service"))))*.