Ange Postecoglou vowed to keep fighting to revive Tottenham’s fortunes after receiving “some direct feedback” from disgruntled fans following a limp 1-0 Premier League loss to Bournemouth. Spurs boss Postecoglou was booed and heckled by a frustrated away end at the Vitality Stadium, having seen his toothless side condemned to defeat by Dean Huijsen’s 17th-minute header. “I didn’t like what …