Perhaps you should try some spelling variations:
"university of oxford / short half" » "university of oxford / shorter half", "university of oxford / short hand", "university of oxford / short haul"
"university of oxford / hart half" » "university of oxford / hart hall", "university of oxford / past half", "university of oxford / hart hans"
"university of oxford / last half" » "university of oxford / elastic half"

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: (((("university of oxford / hart half") OR ("university of oxford / short half"))) OR ("university of oxford / last half")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"university of oxford / hart half\") OR (\"university of oxford / short half\"))) or (\"university of oxford / last half\"))".
• Removing quotes may allow a broader search: (((( university of oxford / hart half ) OR ( university of oxford / short half ))) or ( university of oxford / last half )).
• Adding a wildcard symbol may retrieve word variants: (((("university of oxford / hart half") OR ("university of oxford / short half"))) or ("university of oxford / last half"))*.