The Spanish coach admitted the thrilling last-minute win was not the Reds' best performance of the season, however, while heaping praise on the Roar's positive brand of football.
Adelaide had the best of the first half, stifling Brisbane's famed passing game and finding a goal through Jeronimo Neumann.
The fleet-footed Argentinian won a penalty when he was brought down by Michael Theo, and though he missed the spot kick, he was able to poke in the rebound as the Roar keeper spilled his save.
The home side equalised in the 80th minute through a fit-again Besart Berisha, but Gombau maintained his side deserved their late winner, courtesy of a towering Jordan Elsey header, despite the momentum seemingly going the way of the Roar.
"For me football is not lucky or unlucky, because you need to put the ball inside the net," he said.
"I am satisfied, I am happy.
"It's true that today (we didn't) play our best game, and we got the three points, but also if you see all the inconveniences we've had this week and all the players that we've missed, it means a good result."
Adelaide were missing Sergio Cirio, Bruce Djite, Fabio Ferreira and Marcelo Carrusca through injury, as well as Jake Barker-Daish to Australian U-22 duties.
Gombau said he admired the way Brisbane kept pushing forward in search of a winner late in the game, even though they were a man down, stating his goal was to have his side playing in a similar manner to Mike Mulvey's side.
"For my understanding of football, Brisbane is the mirror for (ourselves).
"Of course there are some movements that are different.
"But their style, to keep the ball, to play offensive football, I think is the way we want to (go).
"But they have some advantages over us because they have three or four years playing together, and we are starting.
"For me they are a team that I enjoy when I see them play.
"And more or less it's what we want to do at Adelaide."Meanwhile, opposite number Mulvey says it was not a mistake to push for victory in the closing stages of the match, despite being a man down.
Brisbane were forced to play with 10 men from the 41st minute when right-back Diogo Ferreira received the second of his two yellow cards.
Even with a numerical disadvantage, the hosts improved in the second term.
This desire to fight till the death is ingrained in the club, according to Mulvey.
"The belief at this club is that we play to win every game," he said.
"And I think that the courage my players showed in the second half was absolutely magnificent.
"We got the equaliser and we still had that belief that we could go on and win the game.
"Their goal is some cross from the left hand side and it's some header by the big fella so, good luck to them, they go home with the points."Brisbane's German playmaker Thomas Broich received plenty of attention from Adelaide's defenders, and the Roar coach said he was having some difficulties after taking a knock.
"Thomas was struggling a little bit at half time with a whack that he got and he was heroic for us in the second half because he knew that he could still do enough, but it's very difficult to keep performing when you keep getting whacked," he said.
"He's got a cork, and I anticipate that might be a couple of weeks as well, but you never know with Thomas, he's a marvel, so he may recover a lot quicker."
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