Research by Robert L. Lindsey has helped clarify the process by which gospel texts were preserved and transmitted. Luke desired, he said in his prologue, to present to Theophilus an “orderly” account. Such ordering is to be noted in Matthew and Mark, as well. These attempts at ordering help us understand why so many of the synoptic gospel stories appear in a different chronological order from gospel to gospel.
Has a Gospel in Hebrew Been Found?

From time to time, one hears reports of the discovery of a portion of the New Testament written in Hebrew or Aramaic. To date, such reports have proven false. There is not a single extant Hebrew-language or Aramaic-language manuscript from the early Christian era of any of the New Testament books.