There are many commonly used search instructions in google, some of which are common and their use:
1. "site: ": " : the restricted search results come from a specific website, such as "site:wikipedia. Org ai" will return only the results of the search on ai from wikipedia。
2. "intitle: " : " to qualify the page title of the search result as containing a particular keyword, such as "initle: foreign trade" will return only to the search result of the heading containing "foreign trade"。
3. "inurl: ": " : a page containing specific keywords, such as "inurl:forum" will return only the search results containing "forum"。
4. "related: " : find other websites related to a particular website, such as "related: ? Jrgpd? Okg" will return to other sites related to ? Jrgpd? Okg。
"-": excludes a keyword, such as "external trade - electronic products" will return the search results that include "external trade" but not "electronics"。
6. "filetype: " : " : documents that limit the specific file type in the search result, such as "filetype:PDF" will return only to files in PDF format。
"definine:": the definition of the search for a particular term, such as "definine:extrarestrial", will return to the definition of "extraterm"。
These are common search commands that help you to get the required search results more accurately。
