Perhaps you should try some spelling variations:
table studies » bible studies, eagle studies, male studies
cable studies » cattle studies, case studies, scale studies
da literatura » la literatura, a literatura, de literatura
filosofia da » filosofia de, filosofia del, filosofia e
e filosofia » la 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: "test ((table studies) OR (cable studies)) e filosofia da literatura".
• Adding a wildcard symbol may retrieve word variants: test ((table studies) OR (cable studies)) e filosofia da literatura*.