Hazrat Mohammad said that whoever recite سُبْحَانَ اللہ Subhan Allah 33 times , اَلْحَمْدُلِلہ Allhamdulillah 33 times, and اَللہُ اَکْبَرْ Allah ho Akbar 34 times shall not be unattained or unachieved. (Muslim Shareef)