how to search for cell phone tracer or find location

i think you have another option GPS, it's very useful find the location of mobile. 

try this link for better understand what is search engine and how to work.

https://en.wikipedia.org/wiki/Web_search_engine 

 

come to your second question, I think as per my knowledge no option are available for public use, find the tracer location of mobile working under the Govt and need to auth for this type of work.

 

_jsb