There are some filters in lichess, but you can't easily combine them in lichess. So you can filter problems for queen sacrifice or mate in 3 but not the combin

There are some filters in lichess, but you can't easily combine them in lichess. So you can filter problems for queen sacrifice or mate in 3 but not the combination of the two. The second quote means that the puzzle rating is dynamic and changes every time someone tries to solve it (the puzzle gets points for losing / winning the same way the player wins/ loses rating for solving the puzzle. )