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When searching with Google, using some of their defined search operators can really help you out.
Google Search Terms
|*||may be used when searching phrases to wildcard wherever you use it|
|-||this will exclude the term|
|allintext:||such as (allintext:seo optimization)|
|allintitle:||such as (allintitle:seo optimization)|
|filetype:||such as filetype:pdf|
|intext:||such as intext:seo|
|intitle:||such as intitle:seo|
|link:||such as link:convertkit-mail.com|
|site:||such as site:blogbrains.com|