Perhaps you should try some spelling variations:
"oxford pictorial photographs / oxford pictorial photographs" » "oxford historical photographs / oxford historical photographs", "oxford editorial photography / oxford editorial photography", "oxford historical photographic / oxford historical photographic", "food pictorial photographs / food pictorial photographs"
"world pictorial photographs / world pictorial photographs" » "world historical photographs / world historical photographs", "world editorial photography / world editorial photography", "world historical photographic / world historical photographic", "worlds pictorial photographs / worlds pictorial photographs", "works pictorial photographs / works pictorial photographs", "food pictorial photographs / food pictorial photographs"

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 pictorial photographs / oxford pictorial photographs\") OR (\"world pictorial photographs / world pictorial photographs\"))".
• Removing quotes may allow a broader search: (( oxford pictorial photographs / oxford pictorial photographs ) OR ( world pictorial photographs / world pictorial photographs )).
• Adding a wildcard symbol may retrieve word variants: (("oxford pictorial photographs / oxford pictorial photographs") OR ("world pictorial photographs / world pictorial photographs"))*.