Perhaps you should try some spelling variations:
"les sciences food over" » "les sciences hors over", "les sciences food ver"
"new science book ever" » "new science vol ever", "open science book ever", "how sciences book ever", "slow science book ever", "new science book every", "new science book ver", "new science book even"
"dna science food over" » "dna science mad over", "dna science vol over", "data science food over", "dna sequence food over", "dna science food 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: "((\"new science book ever\") OR (((\"dna science food over\") OR (\"les sciences food over\"))))~".
• Removing quotes may allow a broader search: (( new science book ever ) OR ((( dna science food over ) OR ( les sciences food over ))))~.
• Adding a wildcard symbol may retrieve word variants: (("new science book ever") OR ((("dna science food over") OR ("les sciences food over"))))*.