Perhaps you should try some spelling variations:
"digitalia ebooks collection: lom edicion." » "digitalia book collecting: lom edicion.", "digitalia ebooks collection: lom ediciones.", "digitalia ebooks collection: la edicion.", "digitalia ebooks collection: con edicion.", "digitalia books collection: lom edicion."
"digitalia ebook collection: con adicion." » "digitalia book collection: con adicion."

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: con adicion.") or ("digitalia ebooks collection: lom edicion."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("digitalia ebook collection: con adicion.") OR ("digitalia ebooks collection: lom edicion.")).
• Removing quotes may allow a broader search: (( digitalia ebook collection: con adicion. ) or ( digitalia ebooks collection: lom edicion. )).
• Adding a wildcard symbol may retrieve word variants: (("digitalia ebook collection: con adicion.") or ("digitalia ebooks collection: lom edicion."))*.