Any way to view more friends in the historical data?

I tried searching, but nothing came up

Thanks

If the friend you're looking for isn't in your SteamRep historical data, then I don't believe SteamRep has any other publicly available tools that could help you. You could try looking through your trade or inventory history if you've ever traded with this friend. If you think you may have left a comment on their profile at some point, you can also access your comment history on Steam. Hope you're able to find what you're looking for!

ref: https://forums.steamrep.com/threads/finding-a-friendship-length.201245/
https://forums.steamrep.com/threads/cant-find-a-past-friend-to-refriend-with.197829/#post-539248

How to access Steam comment history: https://steamcommunity.com/sharedfiles/filedetails/?id=633254073
You can access your Steam inventory and trade history by going to your inventory and selecting the relevant choice from the "..." dropdown next to the "Trade Offer" button.