Perhaps you should try some spelling variations:
"sociology and nursing practice services" » "sociology and nursing practices services", "sociology and nursing practice service", "sociology and nursing active services"
"sociology and nursing practices service" » "sociology and nursing practical service", "sociology and sourcing practices service", "sociology and farming practices service", "sociology and nursing practice service", "sociology and nursing practices overview", "sociology and nursing practices section"

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