Perhaps you should try some spelling variations:
historia americana » history american, history americas, gloria americana
history america » history americas, history africa, history african
"lecturas de " » "lecturas del ", "lectura de ", "lectures de "
mexicana » mexican

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 de "((((historia americana) OR (history america))) OR (historia mexicana))"".
• The words AND, OR and NOT may confuse the search; try adding quotes: "\"lecturas de \"((((historia americana) OR (history america))) or (historia mexicana))\"\"".
• Removing quotes may allow a broader search: lecturas de ((((historia americana) OR (history america))) or (historia mexicana)).