Punctuation and symbols

<<google search engine. MD

symbols	How to use
+	search Google + page or blood type Example: +chrome  or  ab+
@	Find social Tags Example: @agoogler
$	Find price Example: Nikon $
#	Find popular # tags to search hot topics Example: #throwbackthursday
-	Add a short cross before a word or site to exclude the site that contains the information in the search results. This method is especially useful when searching for words that have multiple meanings, such as "car brand Jaguar" and "Animal Jaguar". Example:jaguar speed -carOrpandas -site:wikipedia.org
"	If you enclose a word or phrase in quotation marks, only the following pages will appear in the search results: the words in quotation marks and the same word order as in quotation marks. It is recommended that you use this search method only when you need to search for an exact word or phrase, or you may mistakenly exclude many useful search results. Example: "Imagine everyone"
*	add an asterisk to represent any unknown or indeterminate word. Example: "Save * is earn *"
..	Use two full periods (without spaces) to separate two numbers to see search results within a specified number range. Example: Camera$50..$100 来源： >

From for notes (Wiz)

Punctuation and symbols