To start searching you need to:
Click the Candidates drop-down menu in the left side-bar.
Click on Search.
Now you can see all parametrs that you can use to search candidates in your database
You can use these search criterias:
Keywords - search by words that are used in candidates profiles and CVs
First name/Last name - search by candidate's name
Email - search by candidate's email
Phone - search by candidate's phone number
Age - filter by candidate's age
Experience - filter by candidate's experience
Languages - filter by languages
Hashtags - filter by hashtags
Skills - filter by skills
Country/City - filter by location
Salary - filter by mentioned salary
Type of employment - filter by type of employment
Driving licence/photo - you can remove from search results candidates without photo/driving licences