With a fine-toothed comb phrase
Used to describe a way of searching, investigating or examining something in precise detail and with great care
You should go over the contract with a fine-toothed comb.
She read it with a fine-toothed comb to find typo mistakes
The police went over the house with a fine-toothed comb but found no drugs or money inside.
Adequate measures or actions
To do one's best or try one's best to do something
If you desire something good or appealing, you must make the necessary effort to acquire it.
To work really hard in order to attain something.
I've done just so much surveys and gone over with a fine-toothed comb to finish this report.
Before embarking on writing your proposal, you'd better go over with a fine-tooth comb to see if anybody has done relevant topics before.