Perhaps you should try some spelling variations:
"digitalia book collection: t&ruiz editores" » "digitalia ebook collection: t&ruiz editores", "digitalia book collecting: t&ruiz editores", "digitalia book collectors: t&ruiz editores", "digitalia book collection: t&ril editores", "digitalia book collection: t&ruiz editor", "digitalia book collection: t&xxi editores"
"digitalia book collection: t&ril editor" » "digitalia ebook collection: t&ril editor", "digitalia book collecting: t&ril editor", "digitalia book collectors: t&ril editor", "digitalia book collection: t&ril editores", "digitalia book collection: t&ruiz editor", "digitalia book collection: t&del 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 book collection: t&ruiz editores") or ("digitalia book collection: t&ril editor"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("digitalia book collection: t&ruiz editores") OR ("digitalia book collection: t&ril editor")).
• Removing quotes may allow a broader search: (( digitalia book collection: t&ruiz editores ) or ( digitalia book collection: t&ril editor )).
• Adding a wildcard symbol may retrieve word variants: (("digitalia book collection: t&ruiz editores") or ("digitalia book collection: t&ril editor"))*.