Search engine is one of the indispensable tools in our daily life. Through search engine, we can find any information we need on the Internet.
Currently the world's most famous and most commonly used search engines include Google, Baidu, Bing, Yahoo, etc.
In addition to directly entering keywords, we usually use search engines, they also contain some advanced skills, and then we will use Google search engine as an example to demonstrate.
1. Double quotes ""
The double quotes "" allow exact matching of the search keywords without splitting the keywords we entered.
For example, if we search for "python range usage", we can see from the results that the results of using double quotes and not using double quotes are different.
Exclude symbols: -
If we want to exclude certain results, we can precede the search term with a minus - sign.
For example, our search for "python - noob tutorial" will return results related to "python", but not any results related to "novice tutorial".
Wildcard: *
Using the wildcard * can help you find incomplete or distorted words.
For example, our search for "python * manual" will return all results with "python" and "manual" as keywords.
vertical bar symbol: |
Use the vertical bar symbol | to search for multiple options in the same search.
For example, if we search for "python | java", we can see that the results will display two official websites.
Search for a specific site: site:
If you want to search only on a specific website, precede your search term with site: and the website's URL.
For example, our search for "site:runoob.com java" will return all results related to "java" on the rookie tutorial.
Search related websites: related:
Using related: can help you find other sites related to a particular site.
For example, our search for "related:runoob.com" will return all websites related to rookie tutorials.
Use brackets: ()
Using parentheses can help you organize your search better.
For example, our search for "(python OR java) site:runoob.com" will return all results related to "python" or "java" on RUNOOB.
Search range: ..
Use two dots .. to search a range.
For example, our search for "best sci-fi movies 2000..2010" will return results for all sci-fi movies released between 2000 and 2010.
Additionally, there are some other advanced search techniques:
-
Definition symbol: define: Use "define:" to quickly get the definition of a word. For example, searching for "define:artificial intelligence" will return the definition of artificial intelligence.
-
Date range: daterange: Use "daterange:" to search for content within a specific time range. For example, searching for "marathon daterange:2011-01-01..2022-01-01" will return results related to marathons between 2011 and 2022.
-
Filetype: filetype: Use "filetype:" to search for specific types of files. For example, searching for "python manual filetype:pdf" will return all files related to python manual stored in pdf format.
-
Search title keywords: intitle:index.of: Use "intitle:index.of" to search all pages that contain a keyword in the page title tag. For example, searching for "intitle:index.of mp3" will return a listing of directories containing mp3 files.
-
Search link: link: Use "link:" to search all web pages linked to the specified website. For example, searching for "link:runoob.com" will return all links to web pages related to RUNOOB.
-
Search for an acronym: acronym: Use "acronym:" to search for the definition of an acronym. For example, searching for "acronym:AI" will return relevant definitions of artificial intelligence.