Perhaps you should try some spelling variations:
"biblioteca salvador camacho la pensamiento politico;" » "biblioteca saavedra camacho la pensamiento politico;", "biblioteca salvador camacho el pensamiento politico;", "biblioteca salvador camacho y pensamiento politico;", "biblioteca salvador camacho al pensamiento politico;", "biblioteca salvador camacho ana pensamiento politico;"
"biblioteca calvino fajardo de pensamiento critico;" » "biblioteca javier fajardo de pensamiento critico;", "biblioteca paulino fajardo de pensamiento critico;", "biblioteca calvino fajardo del pensamiento critico;", "biblioteca calvino fajardo el pensamiento critico;", "biblioteca calvino fajardo y pensamiento critico;"

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 calvino fajardo de pensamiento critico;") or ("biblioteca salvador camacho la pensamiento politico;"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("biblioteca calvino fajardo de pensamiento critico;") OR ("biblioteca salvador camacho la pensamiento politico;")).
• Removing quotes may allow a broader search: (( biblioteca calvino fajardo de pensamiento critico; ) or ( biblioteca salvador camacho la pensamiento politico; )).
• Adding a wildcard symbol may retrieve word variants: (("biblioteca calvino fajardo de pensamiento critico;") or ("biblioteca salvador camacho la pensamiento politico;"))*.