The phrase combines "Czech streets" (which could refer to a location or a media title) with a numerical identifier and the word "patched" — a term sometimes used in software modification or file-sharing contexts. This suggests the keyword may be associated with unofficial, potentially pirated, or adult-oriented content that has been modified ("patched") for distribution outside regulated channels.
I will cite the sources for the CzechStreets series (results 3, 25, 26), the gaming mod (results 9, 2), and the infrastructure projects (result 0). czech streets 16 patched