Double textbox for autofilter

Good morning everyone
i have a list of employee
 mainuw.png

 i need to make double autofilter means when i click textbox1 it will list the names ,textbox2 will filter the jobs as mentioned in the picture
 main2n.png

Doubts:
1- how to search first name and last name means sarah gellar without typing michelle
2- how to make double filter in the textbox2 as mentioned in the second image
the code
 

Sub Macro1()
Dim lastrow As Long
lastrow = Range("b65535").End(xlUp).Row
If ActiveSheet.TextBox1.Text <> "" Then

Range("A3:C3").AutoFilter
ActiveSheet.Range("$A$3:$c$" & lastrow).AutoFilter field:=2, Criteria1:= _
"=" & ActiveSheet.TextBox1.Text & "*", Operator:=xlOr
Else
ActiveSheet.Range("$A$3:$c$" & lastrow).AutoFilter field:=2
End If
End Sub

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any help "I would appreciated.