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

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