What are the three Boolean searches?
Phrase search
allow you to search for strings of specific characters.
How do you do an exclusion search?
Put a - before the word you want excluded.
Phrase search
Put phrases in quotation marks.
Domain search
type site: and then the URL of the domain you want to search.
how do you do a search of a site's title
intitle: and then search
How do you search a site's URL
inurl: and then search
How do searches usually fail?
Because they are not unique enough.
Is it better to do exclusion searches or be more specific?
Be more specific.