Perhaps you should try some spelling variations:
"en sciences horas over" » "en sciences hors over", "les sciences horas over", "en pacientes horas over", "open science horas over", "en sciences horas ver"
"del presente con heat" » "y presente con heat", "del presente en heat", "del presente por heat", "del presente y heat"
"en seres from le" » "en laseres from le", "en tres from le", "en odres from le", "en seres 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 horas over") OR ("del presente con heat"))) OR ("en seres from le"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"en sciences horas over\") OR (\"del presente con heat\"))) OR (\"en seres from le\"))".
• Removing quotes may allow a broader search: (((( en sciences horas over ) OR ( del presente con heat ))) OR ( en seres from le )).
• Adding a wildcard symbol may retrieve word variants: (((("en sciences horas over") OR ("del presente con heat"))) OR ("en seres from le"))*.