“Unless they start doing that, they won’t get goals. Alternatively, get yourself set, find the space and have a go.”
O’Kane and Bridcutt have yet to score for Leeds since joining on permanent deals from Premier League clubs last summer, while academy products Vieira and Phillips have netted just one apiece this season.
Leeds remain on course for a place in the play-offs after consolidating their place at fourth in the Championship table with a haul of 66 points from 37 matches.
They are six points clear of seventh-placed Fulham, who secured a sensational 3-1 win at leaders Newcastle on Saturday.
In other Leeds team news, the club are to pounce and re-sign a 23-year-old after a £10million transfer is all but sealed.