Filed from 3 published puzzles

IHAVENOIDEA

Set to 3 different clues across 3 published puzzles, most often "Dunno" — The New York Times, Saturday, 26 August 2006.

11 letters

Every clue on record, most used first

"Dunno"once
The New York Times — Saturday, 26 August 2006
Totally unhelpful answeronce
The New York Times — Saturday, 4 December 2004
"Search me!"once
The New York Times — Friday, 9 June 2000

Other answers to these clues

DATABASE8 letters
GOTME5 letters
NOIDEA6 letters
SEARCHME8 letters
YOUGOTME8 letters