Here, Job Title is choice field, Employee ID and Employee Name are single text. We can add gallery control with above data in your screen, and I don't set any search condition to Gallery yet, only add 2 TextInput and 1 Dropdown. Hereafter, I would explain how to reduce records by putting Search functions into Gallery Items. Using Search() function
In the Fields pane, select the arrow next to Location. If you've closed the Fields pane, you can open it again by selecting SharePointForm1 in the left navigation bar and then selecting Edit fields on the Properties tab of the right-hand pane. Open the Control type list, and then select Allowed Values.