Perhaps you should try some spelling variations:
"life sciences horst over" » "life sciences hors over", "life sciences horst ver"
"best science book over" » "del science book over", "les sciences book over", "art science book over", "best science food over", "best science from over", "best science vol over", "best science book ver"
"new science book over" » "new science food over", "new science from over", "new science vol over", "del science book over", "les sciences book over", "open science book over", "new science 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 over\") OR (\"new science book over\"))) OR (\"life sciences horst over\"))~".
• Removing quotes may allow a broader search: (((( best science book over ) OR ( new science book over ))) OR ( life sciences horst over ))~.
• Adding a wildcard symbol may retrieve word variants: (((("best science book over") OR ("new science book over"))) OR ("life sciences horst over"))*.