Dạ em có làm như này thì sai đâu vậy ạ
Dim table1 As Variant, table2 As Variant
Dim i, i_row As Long
Dim compare2RowsOfTable As Boolean
Dim lastrow_volumn As Long, lastrow_cost As Long
lastrow_volumn = Sheet5.Cells(Sheet5.Rows.Count, "A").End(xlUp).Row
lastrow_cost =...