Perhaps you should try some spelling variations:
"del science horst every" » "del sciences hors every", "del paciente horst every"
"dna science book every" » "dna science food every", "dna science vol every", "data science book every", "a science book every", "dna sequence book every"
"wars science from every" » "art science from every", "dairy science from every", "world science from every", "wars science food every", "wars science vol 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 ("wars science from every"))) OR ("del science horst every"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"dna science book every\") OR (\"wars science from every\"))) OR (\"del science horst every\"))".
• Removing quotes may allow a broader search: (((( dna science book every ) OR ( wars science from every ))) OR ( del science horst every )).
• Adding a wildcard symbol may retrieve word variants: (((("dna science book every") OR ("wars science from every"))) OR ("del science horst every"))*.