If you do not know them then you have to ask yourself the questions I’ve outlined in this article. If your idea and team has the characteristics that institutional investors are looking for then it’s just a matter of persevering and approaching VC’s until lady luck favors you!
If time runs out on you then I guess it’s just luck of the draw. In life there are losers and winners. Unfortunately we can’t all make it just because we hope or wish we could… The only difference is, you tried instead of just wishing you had! Still more admirable than those who just sit around and talk.