After searching for a topic in the topic view, you have to do a lot of scrolling. A better overview could be provided by displaying the path to the found topic on top. e.g. for found topic "paragraph": it should be the first child below "Writing", which again should be first below "Depiction", etc.
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I am not sure, whether this "branch shuffling" would not confuse anyone. Some users may rely on a alphabetic ordering like now. The "highlighting" of items is currently quickly undone, e.g. after switching to another screen. It could be a usability issue if things "moved" in the meantime.
The implementation of such a feature could also be a little bit messy. I would like to hear other opinions on this issue and whether we should make it a high priority.