Search Worksheet For Data In Multiple Textboxes On Userform - Display In Temp Worksheet

I have a workbook with 4 worksheet that store different type of data. It also has a userform that load at start of the application which is to search the data in the workbook. The userform has a combobox where the names of the sheets are stored. when the user selects say Sheet2 in the combobox, it enables the relevant textboxes on the userform and activates the worksheet at the change event. The userform has a search button that searches all the worksheets based on the text entered in a textbox.

The problem: how to search based on 1 textbox. What I want is: say for e.g the end-user selects sheet2 from the combobox, this intern enables 4 textboxes (Name, DOB, Nationality, ID #) on the userform. The end-user should have the liberty to enter data in 1 and/or any of the textboxes. The search should be performed, that if data is only in 1 of any of textboxes then give all rows that fit that criteria and display in a temp worksheet. if say the name and dob is filled by the user than what matches both should be displayed in a temp worksheet. if say dob, name and ID# given so the search button should narrow down to fit all 3 criteria and then display result in temp worksheet. As if mentioned data can be entered in either just 1 or any or all textboxes.

E.g. the worksheet is (Columns are Name, Nationality, DOB, ID#)

row 1 = name: Steven Martin, DOB: 27-may-1993, Nationality: Trinidad & Tobago, ID #: 1234567
row 2 = name: Gary Richards, DOB: 2-FEB-1993, Nationality: British, ID #: 456789
row 3 = name: David Cohen, DOB: 27-May 1993, Nationality: American, ID #: 98765
row 4 = name: Roberto McDonalds, DOB 21-Jul-1962, Nationality: British, ID # 654321
row 5= name: Gary Richards, DOB: 01-Dec-1978, Nationality: Australian, ID # 1234567

Now if the user enters only name as "Gary Richards" and search then row 2 and 5 should be displayed in a temp worksheet. if user enters name Roberto McDonald and ID# 1234567 then it should not display anything. if user enters DOB 27-may-1993 and nationality British and ID # 1234567 then as well shouldn't display anything and should a msgbox "no data found".