Perhaps you should try some spelling variations:
de literatura » de litterature, la literatura, y literatura
da literatura » la literatura, a literatura, na literatura
text social » texto social, texts social, next social
studies la » studies lab, studies lca, studies lia

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: "text social studies la filosofia ((da literatura) OR (de literatura))*".