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Untick the neighbors box, then tick the Guild Only box (next to the shield). Tick them both, and you'll only see offers from Guildmates in your neighborhood.
Being in OF Era and definitely having more than 10 goods in practically all eras up to SAM the Merchant trades pages in my game are very long.
I usually
Check Guild only filter, review & take trades interesting to my needs, and trades that guild members have messaged as urgent in an official guild thread.
Then add Neighbors filter (without unchecking Guild trades(as suggested by WykkenFenn) and sort them by goods offered that I'm interested to get, then for goods needed that I'm interested to trade offer.
At last, I may set both goods filters for "all goods" and recheck the list for trades I may missed that are in favor to the taker. sometimes you find offers that you would not refuse.