Perhaps you should try some spelling variations:
"biblioteca salvador alvaro el pensamiento politico;" » "biblioteca calvino alvaro el pensamiento politico;", "biblioteca saavedra alvaro el pensamiento politico;", "biblioteca salvador alvaro del pensamiento politico;", "biblioteca salvador alvar el pensamiento politico;", "biblioteca salvador alvaro e pensamiento politico;"
"biblioteca salvador alvarez de pensamiento critico;" » "biblioteca calvino alvarez de pensamiento critico;", "biblioteca saavedra alvarez de pensamiento critico;", "biblioteca salado alvarez de pensamiento critico;", "biblioteca salvador llenares de pensamiento critico;", "biblioteca salvador llinares de pensamiento critico;", "biblioteca salvador alvarez del pensamiento critico;", "biblioteca salvador alvarez y pensamiento critico;", "biblioteca salvador alvarez 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 el pensamiento politico;") or ("biblioteca salvador alvarez de pensamiento critico;"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("biblioteca salvador alvaro el pensamiento politico;") OR ("biblioteca salvador alvarez de pensamiento critico;")).
• Removing quotes may allow a broader search: (( biblioteca salvador alvaro el pensamiento politico; ) or ( biblioteca salvador alvarez de pensamiento critico; )).
• Adding a wildcard symbol may retrieve word variants: (("biblioteca salvador alvaro el pensamiento politico;") or ("biblioteca salvador alvarez de pensamiento critico;"))*.