1. leave no stone unturned - Verb
2. leave no stone unturned - Phrase
search thoroughly and exhaustively
Source: WordNetTo find what you seek in the road of life, the best proverb of all is that which says: Leave no stone unturned. Edward Bulwer-Lytton
Every Olympic athlete prepares differently. For me, I am 100 percent into the sport. And if I decide to really make a crucial career decision to say, 'This is something I want to do,' I want to leave no stone unturned in my preparation. Apolo Ohno
It... is the best opportunity we've had in the last 25 years to bring about a settlement in Northern Ireland, and I think we should leave no stone unturned to achieve that. Dick Spring
We said we would leave no stone unturned to get to Germany and now we are applying the same philosophy towards our tournament preparations. John O'Neill
Leave no stone unturned to help your clients realize maximum profits from their investment. Arthur Nielsen
There may be problems we still need to tease out, but we will leave no stone unturned in our bid to make London the host city. Sebastian Coe