Long string of nothing is better than a downswing, right?
You can play marginal hands from hijack to button if it isn't complete
trash. Sometimes the perfect storm will come out of nowhere.
But you can always be productive, by profiling the other players at the table. What they show up at showdown when they limp, when they raise, or call a raise, how they reacted to certain turns and rivers with those hands, do they slowplay, etc.
You want to target the fit-or-fold players - there's always a few at a full ring table, who limp call raises with hands like Q8 suited.
You're playing the odds
that they miss, didn't have an overpair, and even if they don't
miss, their hand isn't strong enough given the pressure you're putting on them. In that sense, the odds are with you.
Note that you're targeting fit-or-fold players, not calling stations who can't fold top pair with a 6 kicker. Or calling with Ace high not trying to catch a pair.
Last week I had exactly the kind of session you had, even slightly worse, and wound up running a triple-barrel bluff in a limped pot when I realized I could get it through. The player in the big blind bet out on a 9-high flop with two of a suit, I called as I had 36 suited from the button and had bottom pair. The turn is an overcard, a Jack, he checked, then I suddenly ramp up the aggression, bet pot-sized, he called, then I shoved the blanked river.
Four factors I considered were that 1.) I had a tight image, and had shown down the nuts with overbets and all-ins when called before. I'd also been playing my draws passively and taking free cards in position. 2.) The player had had a great session, doubling up in each of the previous two orbits, and I didn't think he wanted to play for my stack and risk denting his profit with a non-nutted hand. 3.) He was in the blinds and I was in the button, so positional advantage. 4.) The board runout and his betting patterns.
I put him on a 9x hand or a flush draw, and with the way the board ran out, with the jack as an overcard and the flush missing, I decided he couldn't call. I didn't want to take the freeshowdown in case he had a 9, or if he just randomly rivered a middling pair with his flush draw. But it was because of my earlier observations that he had always bet out with strong hands like two pairs and sets that I thought I could make a move. With a set he would bet out to shut me out of a flush draw, or checkraise, and that gave me enough information about his hand.
Players who hero call on tough runouts are also not good.