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This search gives you all the POSTS that include the word Mattamy, starting with the most recent. Searching based on posts instead of threads eliminates the need to read thru tons of crap that isn't relevant to what you want.
https://www.city-data.com/forum/searc...rchid=42034011
Also look at the bottom of this page. It shows you "similar threads"
Do remember that complaints should be taken with a grain of salt.