हेरा फेरी - means action/state of having things in position contrary to the supposed expected position. You can understand it close to - deception, fraud,tricking etc. फिर हेरा फेरी(phir hera pheri) means 'hera pheri again'. talaash means search or quest.

हेरा फेरी ( Hera Pheri )- Wrong doings or Monkey business फिर हेरा फेरी - Phir ( Again ) + Hera Pheri