Using Boolean Search Operators are a lot easier than it first appears. There’s only a few basic ones, with a cheat sheet* you can get started right away.
*Stafflink’s New and Improved Boolean Search Cheat Sheet – Stafflink
Database Search Tips: Boolean operators – MIT Libraries
Basic Boolean Operators Explained – Boolean Black Belt
Boolean Searching and Other Tips for the Web and Online Subscription Databases.pdf – Shaler ASD
Google Search Operators: The Complete List (42 Advanced Operators) – ahrefsblog
Refine Web Search – Google Search Help
Google Search Operators including Advanced Operators – MOZ.com
Google Search Tips and Modifiers.pdf – Lane CC Library
GoogleSearch-Infographic.pdf – Canva.com/app.box