Maybe another family will have better luck this weekend or next.

They might have better luck on the years that are round numbers.

Let's hope the Public has better luck in the park.

Oh, well, better luck next year, I can hear you saying.

So why should she think that she'd have any better luck this time around?

Don't quite understand what you mean "better luck next time".

Nor did he have much better luck with the other three books.

I think you will have much better luck talking to one or two people at a time.

"Perhaps we'll have better luck the next time we need something from him."

He didn't have any better luck than the first time they'd come here.