Giza.SphinxProtocol.max_matches

You're seeing just the function max_matches, go back to Giza.SphinxProtocol module for more information.
Link to this function

max_matches(query, max)

Return the maximum matches a query can return. Unlike limit, rather than page the returned results, it limits them before results are tabulated and returned and affects your total results count returned.

Examples

    iex> Giza.SphinxProtocol.max_matches(query, 20)
    {:giza_query, 'localhost', 9312, 0, 275,
    "postsummary_fast_index postsummary_slow_index", 10, 25, 0, 0, 20, 0, 0, "",
        "", 0, "@group desc", "searchforme", [], 0, [], [], 0}