Turkish Airlines Miles&Smiles - Earning on semi-flexible eco ticket

Hi, sorry if this have been discussed in any early threads, please direct me to them in that case. Tried to use the searchfunction.

I will have a round trip from Helsinki to Beirut in August. I am usually flying LH but TK has so much more reasonable prices. I would like to earn 100 % miles on M&M but I can't figure out how much a semi-flexible ticket actually will give when the THY booking engine don't show which booking class I will be in. Is there any possibility to see the booking classes before you book?

Thanks in advance!

See the information below, good luck. This selection is for semi-flexible Economy.

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CONFIRMATION DETAILS

TK1756 HELSINKI -ISTANBUL
Departing at 14:40 22.06.2009 Monday
Arriving at 18:00 22.06.2009 Monday
Class K
Cabin Economy
Airline THY
Seat Selection

TK1226 ISTANBUL-BEIRUT
Departing at 21:45 22.06.2009 Monday
Arriving at 23:30 22.06.2009 Monday
Class K
Cabin Economy
Airline THY
Seat Selection

TK1227 BEIRUT-ISTANBUL
Departing at 06:05 28.06.2009 Sunday
Arriving at 08:00 28.06.2009 Sunday
Class K
Cabin Economy
Airline THY
Seat Selection

TK1755 ISTANBUL-HELSINKI
Departing at 09:30 28.06.2009 Sunday
Arriving at 12:55 28.06.2009 Sunday
Class K
Cabin Economy
Airline THY

Thank you! That means I would earn so much I need to get FTL already with those flights. Thanks again!