Sub Demo()
Application.ScreenUpdating = False
Dim Rng As Range
With ActiveDocument.Range
  With .Find
    .ClearFormatting
    .Replacement.ClearFormatting
    .Text = "Q.J."
    .Replacement.Text = ""
    .Forward = True
    .Wrap = wdFindStop
    .Format = False
    .MatchCase = True
  End With
  Do While .Find.Execute
    If .Information(wdWithInTable) = True Then
      If .Cells(1).ColumnIndex = 1 Then
        .Text = "J.Q."
        Set Rng = .Rows(1).Range
        With Rng.Cells(5).Range.Find
          .Text = "v."
          .Replacement.Text = "c."
          .Wrap = wdFindStop
          .Execute Replace:=wdReplaceOne
        End With
        Rng.Cells(10).Range.InsertAfter " english"
      End If
    End If
    .Collapse wdCollapseEnd
  Loop
End With
Application.ScreenUpdating = True
End Sub