‏البيوع : Hadeeth No:3664 This hadith has been narrated on the authority of 'Abdullah b. Dinar with the same chain of transmitters but these words are not found in it." When he buys he should say: There should be no attempt to deceive."...

‏الطهارة : Hadeeth No:492 This hadith is reported from Hudaifa by another chain of transmitters. Whenever he (the Prophet) got up in the night, they (the transmitters) have not mentioned the words: for offering Tahajjud prayer....