Perhaps you should try some spelling variations:
"oxford early christian duties / oxford early christian duties" » "oxford early christian duty / oxford early christian duty"
"oxford every christian duties / oxford every christian duties" » "oxford every christian duty / oxford every christian duty", "oxford never christian duties / oxford never christian duties", "afford every christian duties / afford every christian duties", "oxford clergy christian duties / oxford clergy christian duties"

Try widening your search to All Fields.

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: "((\"oxford early christian duties / oxford early christian duties\") OR (\"oxford every christian duties / oxford every christian duties\"))".
• Removing quotes may allow a broader search: (( oxford early christian duties / oxford early christian duties ) OR ( oxford every christian duties / oxford every christian duties )).
• Adding a wildcard symbol may retrieve word variants: (("oxford early christian duties / oxford early christian duties") OR ("oxford every christian duties / oxford every christian duties"))*.