Perhaps you should try some spelling variations:
"oxford classical geography / oxford classical geography" » "oxford classical biography / oxford classical biography", "oxford physical geography / oxford physical geography", "deformed classical geography / deformed classical geography"
"stanford clinical monographs / stanford clinical monographs" » "stanford critical monograph / stanford critical monograph", "stanford ecological monographs / stanford ecological monographs", "stanford clinical photography / stanford clinical photography", "standard clinical monographs / standard clinical monographs", "standards clinical monographs / standards clinical monographs", "inform clinical monographs / inform clinical monographs"
"cord clinical monographs / cord clinical monographs" » "cord critical monograph / cord critical monograph", "cord ecological monographs / cord ecological monographs", "cord clinical photography / cord clinical photography", "good clinical monographs / good clinical monographs", "chd clinical monographs / chd clinical monographs", "toward clinical monographs / toward clinical monographs"
"cord clinical sonography / cord clinical sonography" » "cord clinical photography / cord clinical photography", "cord clinical ethnography / cord clinical ethnography", "cord clinical echography / cord clinical echography", "good clinical sonography / good clinical sonography", "chd clinical sonography / chd clinical sonography", "toward clinical sonography / toward clinical sonography"

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: (("oxford classical geography / oxford classical geography") OR ((("stanford clinical monographs / stanford clinical monographs") OR ((("cord clinical monographs / cord clinical monographs") OR ("cord clinical sonography / cord clinical sonography")))))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"oxford classical geography / oxford classical geography\") or (((\"stanford clinical monographs / stanford clinical monographs\") or (((\"cord clinical monographs / cord clinical monographs\") OR (\"cord clinical sonography / cord clinical sonography\"))))))".
• Removing quotes may allow a broader search: (( oxford classical geography / oxford classical geography ) or ((( stanford clinical monographs / stanford clinical monographs ) or ((( cord clinical monographs / cord clinical monographs ) OR ( cord clinical sonography / cord clinical sonography )))))).
• Adding a wildcard symbol may retrieve word variants: (("oxford classical geography / oxford classical geography") or ((("stanford clinical monographs / stanford clinical monographs") or ((("cord clinical monographs / cord clinical monographs") OR ("cord clinical sonography / cord clinical sonography"))))))*.