Virtual Libraries - Using Multiple searches to make one virtual library

[tlwright]

I've looked through the documentation and search info, and I can't quite find what I am looking for.

Is there a way to take two searches and combine them into one virtual library? I have books added on two dates, weeks apart with other books added in between, and I want to merge records as the later date has the same files as the first date but with different titles. I'd like them in a virtual library so I just have those particular files while I clean them up.

Duplicate search does not work as they happen to have different file sizes for random reasons, and I haven't had much luck with a similar title/author search as the authors aren't most of the newer files.

[ownedbycats]

Parenthesis and the OR operator, e.g.

(date:=2020-1-1) OR (date:>7daysago)

You can also nest parentheses. This is my ridiculous saved search for "read again":

(#read:true AND #lastread:true AND #lastread:<365daysago AND (rating:">2" OR rating:false)) OR (#read:true AND rating:false AND #lastread:false AND (not tags:"=.Documentation and Manuals" AND not tags:"=.Magazines and Periodicals" AND not tags:"=.Nonfiction") AND not #fanficstatus:"=In-Progress" AND not #fanficstatus:"=Oneshot") AND #readorder:false

[tlwright]

Thank you! I was poking at everything to figure that out and had no luck. That search you shared is a thing of beauty and gave me an idea for my library.

[theducks]

those date operations (like daysago) are described in the Searching section of the official (help) documentation