Perhaps you should try some spelling variations:
"lecturas del " » "lectura del ", "lectures diel ", "lectura de "
"lectures de " » "lectures _ ", "lectures 1 ", "lectures a "
"lectures 2 " » "lectures _ ", "lectures 1 "
mexicana"" » mexican"", americana""

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (("lecturas del ") OR ((("lectures de ") OR ("lectures 2 "))))historia mexicana"".
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"lecturas del \") or (((\"lectures de \") OR (\"lectures 2 \"))))historia mexicana\"\"".
• Removing quotes may allow a broader search: (( lecturas del ) or ((( lectures de ) OR ( lectures 2 ))))historia mexicana.