search for: 1y_g0hifghwedy192kwwx7

...ildcard in the string and skip the query parser, but ended up with zero results. Also sometimes (though not always) substring matches would help - the Ann examples in the notebook illustrate this. I've put an interactive Jupyter notebook with my code at https://colab.research.google.com/drive/1Y_G0hifgHWedy192KwwX7-akNj_BZxVA. If you're logged into a Google account you can run it. The dummy data I used, which you can use to re-run the notebook, is stored at https://gist.github.com/pbowyer/f8d28190fcb2a819c58d8293c602f31d Thanks, Peter