I can across a problem here.
I have a couple items in my testing DB...
SR11-AS-DE26Q
D1010-AS-SE13Q
SR11 and D1010 are the main model numbers.
AS is a color code and...
DE26Q and SE26Q are lamping codes.
When I click the button and type in SR, SR11, or D1010 then it works perfect and displays only that record. However, if you types in "AS" then the resulting form is blank.
Here is my query criteria...
Code:
Like [Enter a Model] & "*"
If anyone knows a way to alter this code please share. 
If only you could make the find and replace feature work like a filter.