What I'm saying is that first I went through the first two pages of the list, namely the words with 0 occurrences, then the words with 1 occurrence. But when I went back to the first page, I saw items listed in bold, with 0 occurrences, that I hadn't seen just 10 minutes before, when I was on that page. I don't see how stemming would cause that change in results unless stem-matches were first excluded, then included, during the same run, and I don't see why you would do that.

Another thing: your "occurrences" values seem not to change until a new batch of words is downloaded (which might happen weekly or so). But when I add a sentence for a phrase, I'd like to see the number of occurrences go up by one. This would help me keep track of where I am, and it would also give me a feeling of accomplishment. Although I realize it would be considerably harder to implement, it would be nice if clicking on a phrase would take me to a place (perhaps not on Tatoeba) where I could add a sentence, after which the occurrences of each word in my sentence would be stored in a Tatominer-local database. Then, whenever the "occurrences" value was queried for a word, it would be calculated as the sum of (a) whatever it was when you did the last download and (b) the number of times it occurred within the sentences that people added from inside your app since the last download.