Perhaps you should try some spelling variations:
lectures diel » lectures field, lectures de, lectures dans
lectures data » pictures data, lectures a, lectures band
lectures 2 » lectures _, lectures 1
lecture de » lecture _, lecture 1, lecture 2

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