Perhaps you should try some spelling variations:
"del presente y heat" » "el presente y heat", "y presente y heat", "del presente _ heat"
"en sciences hors over" » "les sciences hors over", "_ sciences hors over", "open science hors over", "en sciences horas over", "en sciences horst over", "en sciences hours over", "en sciences hors ver"
"en seres from how" » "en scenes from how", "en laseres from how", "en saberes from how", "en serie from how", "en seres from home", "en seres from her", "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 hors over") OR ("del presente y heat"))) OR ("en seres from how"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"en sciences hors over\") OR (\"del presente y heat\"))) OR (\"en seres from how\"))".
• Removing quotes may allow a broader search: (((( en sciences hors over ) OR ( del presente y heat ))) OR ( en seres from how )).
• Adding a wildcard symbol may retrieve word variants: (((("en sciences hors over") OR ("del presente y heat"))) OR ("en seres from how"))*.