Perhaps you should try some spelling variations:
"del science book ver" » "del science food ver", "del science vol ver", "del paciente book ver", "del science book new"
"new science book over" » "new science food over", "new science vol over", "les sciences book over", "open science book over"
"del science from ver" » "del science food ver", "del science vol ver", "del paciente from ver", "del science from her", "del science from here", "del science from le"

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 ver") OR ("del science from ver"))) OR ("new science book over"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"del science book ver\") OR (\"del science from ver\"))) OR (\"new science book over\"))".
• Removing quotes may allow a broader search: (((( del science book ver ) OR ( del science from ver ))) OR ( new science book over )).
• Adding a wildcard symbol may retrieve word variants: (((("del science book ver") OR ("del science from ver"))) OR ("new science book over"))*.