Perhaps you should try some spelling variations:
lectures diel » lectures field, lectures data, lectures dans
lecturas del » lectura del, lectura de, lecturas en
lectures de » lectures _, lectures 1, lectures 2
mexicana » mexican, americana

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 diel)) historia mexicana.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((lecturas del) OR (lectures de))) or (lectures diel)) historia mexicana".
• Adding a wildcard symbol may retrieve word variants: ((((lecturas del) OR (lectures de))) or (lectures diel)) historia mexicana*.