A stone may be unturned.Logical formLearned from808 sentences. A stone may be unturned in a search.Logical formLearned from82 sentences. A stone may be unturned in efforts.Logical formLearned from74 sentences. A stone may be left be unturned.Logical formLearned from59 sentences. A stone may be unturned in a quest.Logical formLearned from47 sentences. Stones may be unturned.Logical formLearned from43 sentences. A stone may be unturned in a hunt.Logical formLearned from23 sentences. A stone may be unturned in an investigation.Logical formLearned from22 sentences. A cliche may be unturned.Logical formLearned from19 sentences. A stone may be unturned in ensurring that something-is-the-case.Logical formLearned from19 sentences. Strength may be unturned.Logical formLearned from17 sentences. Some stones may be unturned.Logical formLearned from16 sentences. Stones may be unturned.Logical formLearned from15 sentences. A stone may be unturned in an effort.Logical formLearned from15 sentences. A stone may be unturned in attempts.Logical formLearned from11 sentences.