Hello anon086634. Welcome to the forum.
In Biblical Terms, when the result of a search gives more than 500 verses, to save memory Paratext will show the first 500 verses and at the end of this list will add the “show all occurrences” link, to show the missing ones:
Note that the results of a search depend on the term (such as ‘heart’), but also on the biblical range and the type of Bible Term:
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It strikes me that you mention that you are looking at a term in Hebrew.
Saludos,
anon689242