"Good rummage" refers to the act of searching through a collection of items or belongings in a thorough, organized, and productive manner. Full definition
While vigorously making these denials, the House of Lords availed itself of a jolly good rummage around the internal workings of the parent and subsidiary companies on the grounds that it was examining the factual basis for the tax payments without necessarily piercing the corporate veil. (newlawjournal.co.uk)
We'll also have a good rummage through my own capsule wardrobe so you can see how it works in practice. (jessicarosewilliams.com)
I adore everything vintage and simply love a good rummage at flea markets and vintage boutiques as well as hunting down the perfect vintage finds on Etsy for both my wardrobe and my home. (alittlevintagelady.com)