I don't see why the knight on d4 can't move anywhere? Unless I'm missing something, 33. ... Nde6 is not only possible but actually puts Black in an attacking possition - there's extra firing power on f8 and the white g5 knight is under attack, for the moment at least ( 34. Nh7 Rh8 35. Nf6).
It's still tricky but at least Black has better chances to stop the f pawn.
Move 27. After Nf3, why not Qxe4 continuing the pressure? You retreated and gave away your attack and allowed white the counterattack on your f pawn like you described.
Then on move 28, why did you do Qxd5?! The f-pawn weakness is much more important to deal with first especially now that you have no attack and you've surrendered the initiative in move 27. I would of done fxe5 trading my weak pawn for his center pawn, sealing up and solidifying your position, not letting him have any counterattacks. (You did Qxd5, letting white create a positional advantage which she exploited in the following moves..) The f7 threat can be easily dealt with later with moves like Rf8 which actually helps you in the long run, aiming your pieces on his king.
By allowing white to have a counter-attack, exploiting his positional advantage of a passed pawn, you lost. Particularly move 28 gave it away. You gotta be agressive and not let him create assets like this!
Then again I might be wrong in some parts but the proof is all there ^
9...Nc6 was better than your move preventing tempi and give you time to complete your devlopment..
12... Be6 would be perfect move ( threaten the rook and developmental move )
14...Nf6 would do the same jop and let you castle more early .. and attacking E pawn if he played d4 ..
15...Bd7 or Nf6 still better .. But your move f6 was so bad you gave him equal position and open way for your king ..
-----------
After gaining advantage you gave it back to him again by your castling ..
-----------
you are lucky your opponent did not see 29.Ne5 .. He would destroy you !
There are a few problems with Aboaisha's suggestions.
I liked your Nd5 move. It keeps the knight centralized and prevents Nc3 and provoked white's response creating a massive weakness on d4. You just had to follow it up with Ne6 preventing d4
12... Be6 could run into some problems based on Rb2 gaining a tempo attacking the b7 pawn and then the knight is left a bit out of the game on g6.
29 . Ne5 is impossible 30 Ne5 would be a problem but Black could complicate with Nd4 or Ng3. Its still not great but black is still swinging
If i were Black after 23.h3..Bxe2 24.Qxe2..Nxd5 not (Qxg3) black maintains the iniative with the threat of ...Nc3 (fork) , black wins a center pawn breaking white's central blockade and if the black king rook can be brought to e8 he is fully mobilized with central control. All of white's pawns are WEAK and isolated easy targets and a won endgame ! 
If after 24.Qxe2..Nxd5 white trys 25.Rf5 or Nc4 attacking the queen simply 25..Qd4+ and black maintains the iniative.
Some more general remarks:
33.f7 did hit you unexpected. Your opponent was able to turn the tide in a game which went quite well for you. That's a very common situation and even grandmasters are susceptible to it.
You started panicking and threw away the game within a couple of moves. This was the main reason for your defeat, and not the move 33.f7 itself.
Here's what I'm trying to do when such bad things happen:
What does that mean for the position in question?
This might lead to the following continuation:
33.f7 Nce6 34.Nh7 (34.h4!?) Rh8 35.Be4 c5 36.Raf2 Nf8.
I'm not convinced that Black can hold the game but he can put up a fight at least.
Hello,
I had a typical loss last night and would like you to help me find and analyze my mistakes. Thank you!
I commented my moves to give you some of my thoughts during the game.