Jan 2 : Tottenham Hotspur ‌manager Thomas Frank was booed by his own fans after Thursday’s drab scoreless draw at his former club Brentford, and while the coach understands the supporters’ frustration he believes that success will change their attitude. There were chants of ‘boring, boring Tottenham’ from the fans who also sang the names of former Spurs players, and when Frank went to applaud the travelling supporters at the end of the 0-0 game he was greeted with a chorus of boos. “It’s not perfect, we want ‌to be a free-flowing team,” Frank told a press conference on Friday ‌ahead of Sunday’s game with Sunderland. “I think a couple of things I want to reinforce positively is the last two away performances. I think we were very good defensively. “We’re working very hard on the offensive part of our game and understand the frustrations. I share them too.” Frank’s side are 12th in the standings after one win in their last four league games, and the manager gave his reasons for their disappointing form, …