Perhaps you should try some spelling variations:
"del science book ever" » "del science food ever", "del science from ever", "del paciente book ever"
"best science book every" » "best science food every", "best science from every", "les sciences book every", "new science book every", "art science book every"
"best science vol every" » "les sciences vol every", "new science vol every", "art science vol every", "best science food every", "best science from every"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("del science book ever") OR ((("best science book every") OR ("best science vol every"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"del science book ever\") OR (((\"best science book every\") OR (\"best science vol every\"))))".
• Removing quotes may allow a broader search: (( del science book ever ) OR ((( best science book every ) OR ( best science vol every )))).
• Adding a wildcard symbol may retrieve word variants: (("del science book ever") OR ((("best science book every") OR ("best science vol every"))))*.