I really don't like the search feature implementation.
I get too many false positives and the wildcard usage is just plain annoying.
So, here's a few things that might make me less annoyed.
1. In the Type section, let me search Column names.
We can already search Sheet and Sight names. I've written the code in Python, so know it is not very difficult to retrieve them.
2. If you insist on returning "Howitzer" whien I have requested "RowID", please provide an exact match check box.
The use of 'wildcards' doesn't match any logic or illogic I've ever been exposed to.
*RowID* returns "Brown".
Yeah, that helps. 
3. Provide a method to filter the resullts (not by type, by what is displayed)
My search for "*RowID*" has 4049 hits.
On the first page of my results, 17 appear to be correct.
17 out of 100.
And "RowID" has the same number of total hits, so doubt there is a difference there.
Thanks.
Craig