Perhaps you should try some spelling variations:
historia mexicoa » historia mexico, history mexico, historia etica
historia mexican » historia mexico, history mexican, historia americana
lectures de » lectures _, lectures 1, lectures a
lectures 2 » lectures _, lectures 1

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: (((lecteurs OR lecture) de) OR (((lectures de) OR (lectures 2)))) (((( historia mexicana ) OR ( historia mexicoa ))) OR ( historia mexican )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((lecteurs or lecture) de) or (((lectures de) or (lectures 2)))) (((( historia mexicana ) OR ( historia mexicoa ))) or ( historia mexican ))".
• Adding a wildcard symbol may retrieve word variants: (((lecteurs or lecture) de) or (((lectures de) or (lectures 2)))) (((( historia mexicana ) OR ( historia mexicoa ))) or ( historia mexican ))*.