41. An exhaustive search found nothing else. 42. In the meantime, the police and firemen were conducting an exhaustive search around the area without any results. 43. After an exhaustive search for possible autism cases, the CDC team studied 75 children ages 3 to 10. 44. The friends alerted authorities when Koh failed to show up, sparking an exhaustive search with dogs and helicopters. 45. Despite an exhaustive search by police and Aboriginal trackers, no trace has ever been found of Falconio's body. 46. Nondeterministic languages can be used to explore large search spaces, such as grammars, where exhaustive search is impractical. 47. The French police, Scotland Yard and the family undertook exhaustive searches but never found his body or luggage. 48. Likewise, it is obvious that studio employees made exhaustive searches for performers they intended to use in live-action sequences. 49. It was found to be susceptible to an effective theoretical differential cryptanalysis attack considerably faster than an exhaustive search . 50. Last spring, after an exhaustive search , Currie and his researchers reached the site where Brown had found his fossils.