Hey, I agree here with you, the results are pretty good! Is already quite the step from what I saw in the results of my first plugin try-outs! It is not 100 % precise, but definitely solid! Respect, cool!
I completely agree with your strategy to improve the accuracy of the model-searches! Sounded pretty solid thought-off 
Indeed, I don’t think the search strategies of currently models were comprehensively and well thought-off, rather naive
Greetings