Perhaps you should try some spelling variations:
stable student » scale student, enable students, male student
table student » male student, enable students, mobile student
de literatura » de litterature, la literatura, y literatura
filosofia de » filosofia del
1 filosofia » e filosofia, a filosofia, y filosofia

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: "less ((stable student) OR (table student)) 1 filosofia de literatura".
• Adding a wildcard symbol may retrieve word variants: less ((stable student) OR (table student)) 1 filosofia de literatura*.