I have a very large Text Body .odt document made in LibreOffice Writer, and a few Default Style sections are in there somehow. Is there any way to search for those sections? Thanks.
Hello,
yes you can.
Edit -> Find & Replace- Tick option
[x] Paragraph Styles - Find Select the style you want to find
- Click button
Find Allto get all styles matching den Find crtiteria

Tested using LibreOffice:
Version: 6.4.5.2, Build ID: a726b36747cf2001e06b58ad5db1aa3a9a1872d6
CPU threads: 8; OS: Linux 4.12; UI render: default; VCL: kf5;
Locale: en-US (en_US.UTF-8); UI-Language: en-US, Calc: threaded
Hope that helps.