Perhaps you should try some spelling variations:
"dna science book every" » "dna science food every", "dna science from every", "dna science vol every", "data science book every", "del science book every", "a science book every"
"les sciences hors every" » "en sciences hors every", "life sciences hors every", "del science hors every", "les sciences horas every", "les sciences horst every", "les sciences horse every"
"les sciences hours every" » "en sciences hours every", "life sciences hours every", "del science hours every"

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

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