Perhaps you should try some spelling variations:
"world pictorial monographs / world pictorial monographs" » "world historical monographs / world historical monographs", "worlds pictorial monographs / worlds pictorial monographs", "works pictorial monographs / works pictorial monographs", "food pictorial monographs / food pictorial monographs"
"oxford aerial photography / oxford aerial photography" » "oxford digital photography / oxford digital photography", "oxford april photography / oxford april photography", "oxford veritas photography / oxford veritas photography", "oxford formal photography / oxford formal photography"

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