Both the Asterisk * and AROUND(X) are proximity operators on Google and provide their own benefits.
The Asterisk stands for one word or a few shorter words. “<keyword1> * <keyword2>” will find phrases where the keywords are close together. Example, exploring company email formats:
Using more Asterisks will find phrases where the keywords are further apart:
You cannot use the Asterisk with other operators: intitle:”account * at salesforce” returns nothing.
Using the Asterisk at