Perhaps you should try some spelling variations:
"del pacientes qom heat" » "del paciente qom heat", "de pacientes qom heat", "en pacientes qom heat", "del pacientes con heat", "del pacientes en heat", "del paciente con heat", "del pacientes from heat"
"open science book over" » "del science book over", "en sciences book over", "new science book over", "open science food over", "open science from over", "open science vol over", "open science book ver"
"en scenes from le" » "en sciences 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: (((("open science book over") OR ("del pacientes qom heat"))) OR ("en scenes from le"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"open science book over\") OR (\"del pacientes qom heat\"))) OR (\"en scenes from le\"))".
• Removing quotes may allow a broader search: (((( open science book over ) OR ( del pacientes qom heat ))) OR ( en scenes from le )).
• Adding a wildcard symbol may retrieve word variants: (((("open science book over") OR ("del pacientes qom heat"))) OR ("en scenes from le"))*.