Appears you’re wrong about which of the search operators are currently supported by Google: https://support.google.com/websearch/answer/2466433 https://support.

Appears you’re wrong about which of the search operators are currently supported by Google: https://support.google.com/websearch/answer/2466433 https://support.google.com/websearch/answer/2466433 The + operator was retired when Google+ was launched, because + was needed as a searchable character rather than an operator.