Perhaps you should try some spelling variations:
"comentarios practicos social" » "comentarios criticos social" (Expand Search), "comentario critico social" (Expand Search), "comentarios juridicos social" (Expand Search), "comentario criticos social" (Expand Search), "comentarios criticoss social" (Expand Search), "comentarios acercas social" (Expand Search), "comentarios practica social" (Expand Search), "comentarios practicas sociales" (Expand Search), "comentarios practica sociales" (Expand Search)
"comentarios practico social" » "comentario critico social" (Expand Search), "comentarios criticos social" (Expand Search), "comentarios acerca social" (Expand Search), "comentarios practica social" (Expand Search), "comentarios practica sociales" (Expand Search), "comentarios politico social" (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: (("comentarios practicos social") OR ("comentarios practico social"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"comentarios practicos social\") OR (\"comentarios practico social\"))".
• Removing quotes may allow a broader search: (( comentarios practicos social ) OR ( comentarios practico social )).
• Adding a wildcard symbol may retrieve word variants: (("comentarios practicos social") OR ("comentarios practico social"))*.