Perhaps you should try some spelling variations:
"open science book ver" » "del science book ver", "en sciences book ver", "new science book ver", "open science from ver", "open science book new"
"best science food new" » "del science food new", "les sciences food new", "new science food new", "best science from new", "best science mad new", "best science mind new", "best science book new"
"les science vol ver" » "les sciences vol ver", "del science vol ver", "new science vol ver", "les science from ver"

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

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