Google Advanced Search Operators

Link： https://support.google.com/websearch/answer/136861?hl=en

syntax（语法）	example（例子）
完整语句 "search"	引号中的部分为一个整体 "imagine all the people"
排除语句 -search	不包含指定的单词 jaguar speed -car
特定网站、域搜索 site:	在网站内搜索，或不在网站内 olympics site:nbc.com （网站内） olympics -site:nbc.com （网站外） olympics site:.gov
Search for pages that link to a URL link:	Find pages that link to a certain page. For example, you can find all the pages that link to google.com. link:google.com
Search for pages that are similar to a URL related:	Find sites that are similar to a URL you already know. If you search for related sites to the Time.com,you'll find other news publication sites you may be interested in. related:time.com
Fill in the blank *	Add an asterisk within a search as a placeholder for any unknown or wildcard terms.Use with quotation marks to find variations of that exact phrase or to remember words in the middle of a phrase. "a * saved is a * earned"
Search for either word OR	If you want to search for pages that may have just one of several words, include OR (capitalized) between the words.Without the OR, your results would typically show only pages that match both terms. world cup location 2014 OR 2018
Search for a number range ..	Separate numbers by two periods without spaces (..) to see results that contain numbers in a given range of things like dates, prices, and measurements. camera $50..$100
Find information about a site info:	Get information about a URL, including the cached version of the page, similar pages, and pages that link to the site. info:google.com
See a cached version of a site cache:	See what a page looks like the last time Google crawled the site. cache:washington.edu