Perhaps you should try some spelling variations:
"digitalia ebooks collection: t&del editor" » "digitalia book collecting: t&del editor", "digitalia ebooks collection: t&del escritor", "digitalia books collection: t&del editor"
"digitalia ebook collection: t&ril editor" » "digitalia ebook collection: t&ril editores", "digitalia ebook collection: t&ruiz editor", "digitalia ebook collection: t&al editor", "digitalia book collection: t&ril editor"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("digitalia ebook collection: t&ril editor") or ("digitalia ebooks collection: t&del editor"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("digitalia ebook collection: t&ril editor") OR ("digitalia ebooks collection: t&del editor")).
• Removing quotes may allow a broader search: (( digitalia ebook collection: t&ril editor ) or ( digitalia ebooks collection: t&del editor )).
• Adding a wildcard symbol may retrieve word variants: (("digitalia ebook collection: t&ril editor") or ("digitalia ebooks collection: t&del editor"))*.