Perhaps you should try some spelling variations:
"harry potter and the philosophies's stone" » "harry potter and the philosophers's stone", "harry potter and the philosophical's stone", "harry potter and the philosophy's stone", "harry potter and the philosophies's stong", "harry potter and the philosophies's sone", "harry potter and the philosophies's ston"
"harry potter and the philosophies's tone" » "harry potter and the philosophers's tone", "harry potter and the philosophical's tone", "harry potter and the philosophy's tone", "harry potter and the philosophies's tong", "harry potter and the philosophies's one", "harry potter and the philosophies's ton"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("harry potter and the philosophies's stone") OR ("harry potter and the philosophies's tone"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"harry potter and the philosophies's stone\") OR (\"harry potter and the philosophies's tone\"))*".
• Removing quotes may allow a broader search: (( harry potter and the philosophies's stone ) OR ( harry potter and the philosophies's tone ))*.