UserAgent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/71.0.3578.98 Safari/537.36

Steps to reproduce the problem:
I've visited a particular Wikipedia page several times today, https://en.wikipedia.org/wiki/Interval_(music), but I couldn't get it to show up in my Omnibox suggestions when I typed strings matching the URL and title such as "interval" "interval mu", or even "wikip interv mus".

Some data from my history db:

visit_count     typed_count     last_visit_time hidden  substr(url, 30) title
47      3       13192673260058453       0       /Interval_(music)       Interval (music) - Wikipedia
2       0       13192669717127065       0       /Interval_ratio Interval ratio - Wikipedia
13      0       13192662942615519       0       /Interval_(music)#/media/File:Melodic_and_harmonic_intervals.png  

Row 1 is the url I wanted to be suggested. Row 2 is what was actually suggested for the string "interval". Row 3 is what was suggested for "interval m" (and "interval music").

I believe row 2 wins because I have favourited it. (I'm skeptical as to whether that fact should be enough to overcome such a difference in visitation frequency)

Row 3 is less clear. My best guess is that it scores higher basically just because it's longer and therefore has more word matches? e.g. maybe it gets extra credit for matching "music", "media", "melodic", "Interval" and "intervals"?

What is the expected behavior?
Given that, of the history matches, Interval_(music) is the most recently visited page, and the most frequently visited by a large margin, I would expect it to be shown. (Also, in my recent history I have two instances where I did a google search through the omnibox for "interval" or "interval music" and went on to click the Interval_(Music) wikipedia page from the search results. I feel like that should come to bear here.)

What went wrong?
The desired URL was not suggested.

Did this work before? N/A 

Chrome version: 71.0.3578.98  Channel: stable
OS Version: 
Flash Version: 

Interestingly, it turns out if I start by typing "en", the top result is the page I want, this time from the HistoryURL provider, not HistoryQuick. (Though in normal usage, I would never think to start by typing such a long prefix with so many possible completions in my history.)

chrome://omnibox/ output attached for the query "interval". (Sorry, I had to print it as a pdf because it had a horizontal scrollbar and therefore couldn't really be screenshotted in one piece)
 

Deleted: Omnibox_interval.pdf 75.8 KB

Omnibox_interval.pdf 75.8 KB Download