I set out to get you with a fine tooth comb?

0 Hi , What is the meaning of following sentence. Specially the prase of a fine tooth comb? What does it mean? TKS 02br
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00I set out to get you with a fine tooth comb 02br
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00=== 02br
00CONTEXT 02br
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00Baby when i met you, there was peace unknown 02br
00I set out to get you with a fine tooth comb 02br
00I was soft inside, there was something going on 02br
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00[Kenny Rogers & Dolly Parton] 02br
00You do something to me, that i can't explain 02br
00Hold me closer, and i feel no pain 02br
00Every beat of my heart, we got something goin' on 0-