Gmail search tips
Want to search your Gmail like a pro? These handy shortcuts can help you find that email. You type these queries in the search bar in your Gmail interface.
Search any email from yourself, you can also specify a name or gmail address
Search any email from george
Search any email with the title “lunch meeting”
Find any email from either chris or michelle
Search for messages with words near each other In this example we’re searching for phone with the word android 10 or less away from it. Put the query in quotes to specify which word is first. Otherwise the order doesn’t matter.
Group the terms “meeting” and “revenue” together when searching
Search for that word exactly
Read more here