I knew that I was not clear :-)

http://ach.travel.yahoo.net/airgchoi...ll&FromTF=true

here you can see , which airlines offer the best Fare, and at the second step you can find the avaliable days for that class for first leg , and then for second leg

at the end

you can find this flight

Ankara (ANK) to Moscow (MOW): Departing: Tue 15 Sep - Returning: Wed 23 Sep
Date Departure Arrival Flight Duration Cabin
Tue 15 Sep 16:00Ankara, Esenboga 18:00Munich LH3361 9h30 Economy (U)
Tue 15 Sep 21:25Munich 02:30+1Moscow, Domodedovo LH3196 Economy (U)
Wed 23 Sep 17:15Moscow, Domodedovo 18:25Munich LH3195 6h55 Economy (U)
Wed 23 Sep 19:25Munich 23:10Ankara, Esenboga LH3362 Economy (U)
Total Price
Price
(per person) Taxes, fees and charges
(per person) Passengers

Total

74.00 + 201.22 x 1 Adult = USD 275.22
Total Price for all passengers 275.22= USD 275.22

But ITA software is not capable of finding this deal
it finds

$721 Lufthansa ESB to DME
DME to ESB
MUC
MUC
Tue-Wed, Sept 15-16
Wed, Sept 23
6:15a-2:30a
5:15p-11:10p
19h 15m
6h 55m
Coach
Coach
overnight flight,
long layover

so step by step method of Travelocity can find it

that is what I mean !