Sometimes there is a situation when all of the searches will overlap with one another. In these cases it makes it difficult to click on the searches to see the number of results (As they all overlay each other)


Yes, this is a hit or miss pain point of the tool, depending on various factors, like use of the same database repeatedly, prefix matches, and extent of overlap.
Labels: I can imagine that we might hide labels in such cases, and selectively display them when you hover.
Interactions: Either we need to move to a table presentation or allow zooming.