Perhaps you should try some spelling variations:
"biblioteca salvador alvaro de pensamiento politico;" » "biblioteca calvino alvaro de pensamiento politico;", "biblioteca saavedra alvaro de pensamiento politico;", "biblioteca salvador alvaro del pensamiento politico;", "biblioteca salvador alvaro el pensamiento politico;", "biblioteca salvador alvaro y pensamiento politico;", "biblioteca salvador alvarez de pensamiento politico;"
"biblioteca salvador alvaro de pensamiento critico;" » "biblioteca calvino alvaro de pensamiento critico;", "biblioteca saavedra alvaro de pensamiento critico;", "biblioteca salvador alvaro del pensamiento critico;", "biblioteca salvador alvaro el pensamiento critico;", "biblioteca salvador alvaro y pensamiento critico;", "biblioteca salvador alvarez de pensamiento critico;", "biblioteca salvador alvaro de pensamiento critica;"

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: (("biblioteca salvador alvaro de pensamiento politico;") OR ("biblioteca salvador alvaro de pensamiento critico;"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"biblioteca salvador alvaro de pensamiento politico;\") OR (\"biblioteca salvador alvaro de pensamiento critico;\"))".
• Removing quotes may allow a broader search: (( biblioteca salvador alvaro de pensamiento politico; ) OR ( biblioteca salvador alvaro de pensamiento critico; )).
• Adding a wildcard symbol may retrieve word variants: (("biblioteca salvador alvaro de pensamiento politico;") OR ("biblioteca salvador alvaro de pensamiento critico;"))*.