SQL query duplicating data

Question

I am using the following command to get the daily total sale by way of payment! So as I present below it works perfectly:

 " SELECT t.DataDocumento, SUM(t.Valor) Total " +
 " FROM VendaCliente v " +
 " LEFT JOIN TitulosVendas t ON t.TabelaId = v.VendaId " +
 " WHERE v.Ativo = 1 AND t.Forma = '3' AND t.DataDocumento BETWEEN '31/01/2019 00:00:00' AND '31/01/2019 23:59:59'
 " GROUP BY t.DataDocumento " +
 " ORDER BY t.DataDocumento ";

This second way I need to include 2 more Join’s to filter the products! Ai that appears to doubt... the somatorio are in duplicity:

 " SELECT t.DataDocumento, SUM(t.Valor) Total " +
 " FROM VendaCliente v " +
 " LEFT JOIN TitulosVendas t ON t.TabelaId = v.VendaId " +
 " LEFT JOIN VendaClienteItens i ON v.VendaId = i.VendaCliente " +
 " LEFT JOIN Produto p ON p.ProdutoId = i.Produto " +
 " WHERE v.Ativo = 1 AND t.Forma = '3' AND t.DataDocumento BETWEEN '31/01/2019 00:00:00' AND '31/01/2019 23:59:59'AND p.ProdutoId = '33603'
 " GROUP BY t.DataDocumento " +
 " ORDER BY t.DataDocumento ";