Perhaps you should try some spelling variations:
"en sciences book over" » "en science book over", "en sciences hors over", "_ sciences book over", "open science book over", "en sciences book ver"
"les sciences book over" » "les science book over", "les sciences hors over", "life sciences book over", "del science book over", "_ sciences book over", "les sciences book ver"
"new science food ever" » "new science book ever", "new science from ever", "new science mad ever", "del science food ever", "open science food ever"

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

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