Perhaps you should try some spelling variations:
"en sciences book over" » "en science book over", "en science food over", "en sciences hors over", "les sciences book over", "_ sciences book over", "open science book over", "en sciences book ver"
"del paciente from heat" » "del paciente con heat", "del pacientes qom heat", "del science from heat", "del presente from heat", "del ambiente from heat"
"en scenes from le" » "en bienes from le", "en seres from le", "en scenes from her", "en scenes from new"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("en sciences book over") OR ("del paciente from heat"))) OR ("en scenes from le"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"en sciences book over\") OR (\"del paciente from heat\"))) OR (\"en scenes from le\"))".
• Removing quotes may allow a broader search: (((( en sciences book over ) OR ( del paciente from heat ))) OR ( en scenes from le )).
• Adding a wildcard symbol may retrieve word variants: (((("en sciences book over") OR ("del paciente from heat"))) OR ("en scenes from le"))*.