Perhaps you should try some spelling variations:
"digitalia ebook collection: t&ruiz editor" » "digitalia ebook collection: t&ruiz aitor", "digitalia ebooks collection: t&ruiz editor", "digitalia book collection: t&ruiz editor"
"digitalia ebook collection: t&ril editor" » "digitalia ebook collection: t&ril editores", "digitalia ebook collection: t&del editor", "digitalia ebook collection: t&al editor", "digitalia ebooks collection: t&ril 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 ebook collection: t&ruiz editor"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"digitalia ebook collection: t&ril editor\") OR (\"digitalia ebook collection: t&ruiz editor\"))".
• Removing quotes may allow a broader search: (( digitalia ebook collection: t&ril editor ) OR ( digitalia ebook collection: t&ruiz editor )).
• Adding a wildcard symbol may retrieve word variants: (("digitalia ebook collection: t&ril editor") OR ("digitalia ebook collection: t&ruiz editor"))*.