Proficient Search

[Amazoniac]

- Google Search Operators | Moz
- Mastering Google Search Operators | Moz

- DuckDuckGo Search Syntax

- site:idealabsdc.com filetype:pdf preliminary OR confidential OR (subjects "kept in captivity")
- "wife" (site:.ph OR site:.th) -inurl:escorts -ladyboy -"contracted * (during OR when OR while)" -intext:"high standards" "it's how you use it" -"100..200 years old" -"(like OR prefer OR love) cats"

Won't is archive.org:

 

[Amazoniac]

- Google Search Operators | SEO Sherpa

In public places, I rarely found people using the Advanced Searches, which makes me think that habituating to these operators is more practical for frequent use.