While searching on Google, you can make the search results even clearer with some techniques.
“site:” is put at the beginning of the domain or website to be searched. There is no space after “site:”. When searched in this way, only the results of the searched domain appear on the search results page.
Example: site:apple.com
If a space is left after site:domain.com and a word related to the website is written and a search is made, the search results will be further filtered.
Example: site:apple.com mac
To Google any social media account, search for the name of the account along with @.
Example: @twitter
Social media hashtags are searched in the Google index by using the # sign at the beginning of the search term.
Example: #picoftheday
If you specify the price you are looking for while searching for a product for sale on Google, the search results pages will be listed with filtered prices. Specify the price amount with the currency symbol, leaving the last space from the searched query.
Example: dress $300
Search by leaving a space after the search query and specifying the price range of the product to be searched with “…”.
Example: dress $100…$200
Exact match results are listed when the search query is searched on Google between quotation marks.
Example: “exact match query”
In order to prevent unwanted results from appearing on search results pages, a “-” sign is placed at the beginning of the unwanted word in the search query.
Example: illustrator -adobe
Searching two different search queries by combining capital letters “OR” between them.
Example: software OR programming
When searched by adding “cache:” to the beginning of the URLs of the websites, it shows the last indexed version of that page in the Google cache.
Example: cache:wordpress.com
If Google has not saved the page you are looking for in its cache, it will not show any results.
Google can index many file types. The “filetype:” operator is used to search in the desired format. When searching with this operator, only results in the searched file type are listed on the search result pages.
Example: filetype:pdf camera
Source:
https://support.google.com/websearch/answer/2466433?hl=en
https://support.google.com/webmasters/answer/35287?hl=en