Perhaps you should try some spelling variations:
best science » del science, les sciences, new science
del paciente » del presente, del ambiente
science book » science food, science from, science vol
les science » les sciences, del science, new science
evera » eera, evega, ever
vera » era, vega, ver

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( ((best science) OR (del paciente)) book (ever OR evera) ) OR ( les science book vera ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( ((best science) OR (del paciente)) book (ever OR evera) ) OR ( les science book vera ))".
• Adding a wildcard symbol may retrieve word variants: (( ((best science) OR (del paciente)) book (ever OR evera) ) OR ( les science book vera ))*.