Usage skills of search engine
1、inurl
inurl: Keyword (":" is English character)
The returned page links contain "keywords"
For example: inurl:mp3
inurl: keyword "secondary keyword"
The returned link contains the first keyword, and subsequent keywords appear in the link or in the web document.
For example: inurl:mp3 "Me and My Motherland"
Note: "inurl:" cannot be followed by spaces, and there are spaces after the first keyword.
2、filetype
Find information in a class of files
Syntax: Keyword filetype:doc
Show only doc documents whose links contain keywords.
For example: beer filetype:doc
3、intitle
Search keywords are included in the page title
What is a web title:
Syntax: intitle: Keyword1 "Keyword2"
Usage is similar to inurl above, except that inurl queries the URL, while inurl queries the title bar of the page. The title of a web page is the part between HTML markup language titles.
e.g. intitle: beer "original pulp"
4、site
Limit search results to a specific website or website channel.
Syntax: site: domain name (":" is an English character, there cannot be a space after the colon)
For example: qq.com
Note: Domain names cannot have the prefix "http://" nor any directory suffix "/"; website channels are limited to "channel name." Domain name, not domain/channel name.
5、link
Search for all pages with links to a particular site
For example: link: www.jinxing-beer.com
Among the web pages with links, there are hyperlinks directly connecting to www. jinxing-beer.com.
6. Double quotation marks
Search for websites that exactly match the keyword. For example: "Venus Beer", will find the website containing keywords network resources, double quotes for English characters.
7、+
To limit the keyword string to appear in the results. For example, typing computer + network will find websites that contain computers and networks.
8、*
Instead of all letters, it is used to search for keywords that are distorted or uncertain. For example, the query result after typing "electricity * " can include computer, movie, TV and other contents.
9、（）
Multiple keywords can be used as a group and priority queries can be made. For example, type "(PC + Network)-(Hardware + Price)" to search for websites that contain information about "PC" and "Network," but not "Hardware" and "Price."
