Perhaps you should try some spelling variations:
"en sciences book ver" » "en science food ver", "en sciences hors ver", "les sciences book ver", "_ sciences book ver", "open science book ver"
"best science book new" » "les sciences book new", "new science book new", "art science book new", "best science food new", "best science from new", "best science vol new", "best science look now"
"del science book ver" » "del science food ver", "del science from ver", "del science vol ver", "del paciente book ver"

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

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