Perhaps you should try some spelling variations:
sciences hours » sciences hors
sciences book » science food, sciences hors
open science » del science, new science
science book » science food, science from, science vol
en sciences » les sciences, _ sciences
book ver » book new

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((( en sciences book evera ) OR ( en sciences hours evera ))) OR ( open science book ver ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((( en sciences book evera ) OR ( en sciences hours evera ))) OR ( open science book ver ))".
• Adding a wildcard symbol may retrieve word variants: (((( en sciences book evera ) OR ( en sciences hours evera ))) OR ( open science book ver ))*.