It does not matter at all how you are searching.
Not one of my models is shown in the first 50 results, even when searching via relevance.
Keyword: “Helicopter”.
This is one of my helicopter models shown deep, deep in the basement as all my other “Helicopters”:
And these are example models shown in the first 20-25 results:
And this:
And thus:
Any questions left about FAB´s sorting?