Perhaps you should try some spelling variations:
"el libro de bolsillo ; seccion classics" » "el libro de bolsillo ; section classics" (Expand Search), "el libro de bolsillo ; sections classics" (Expand Search)
"el libro de bolsillo ; seccion classical" » "el libro de bolsillo ; section classical" (Expand Search), "el libro de bolsillo ; sections classical" (Expand Search)

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: (("el libro de bolsillo ; seccion classics") OR ("el libro de bolsillo ; seccion classical"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"el libro de bolsillo ; seccion classics\") OR (\"el libro de bolsillo ; seccion classical\"))".
• Removing quotes may allow a broader search: (( el libro de bolsillo ; seccion classics ) OR ( el libro de bolsillo ; seccion classical )).
• Adding a wildcard symbol may retrieve word variants: (("el libro de bolsillo ; seccion classics") OR ("el libro de bolsillo ; seccion classical"))*.