Rearranging the letters of 'How to find her G-spot' gives:
Wend for top, hot sigh.
(by Aronas Pinchas) (2009) (pending approval)
Other related anagrams without their own page:
"Finding her G-spot" -> "Fingers pod "thing"." (by Rick Rothstein using Anagram Genius) (2002)
"Finding her G-spot" -> "Forging in depths." (by Rick Rothstein using Anagram Genius) (2002)
"I find her G-spot" -> "Dip hot fingers." (by Aronas Pinchas ) (2010) (pending approval)
"Dr Ernst Grafenberg, the discoverer of the G-spot area" -> "Sore vadge fingered, tart throbs, groans: "Here! Perfect!"" (by David Bourke using Anagram Genius) (2003)
"Ladies G-spot finder" -> "Deep in gals, so drift." (by Aronas Pinchas ) (2010) (pending approval)