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The operation to join the list of values is always Any match (OR), because you cannot create multiple tags with the same key on the same resource.
Complete Any match (OR) example
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In this example, we filter resources tagged A:1 or A:2 or B:3 or C:* (any tag beginning C) or D:* (any tag beginning D) or *:4 (any tag ending 4) or *:5 (any tag ending 5). The operation to join the filters is Any match (OR). We added a single filter entry for "A" with a list of values ("1", "2").
Complete Strict (AND) example
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We added a single filter entry for "A" with a list of values ("1", "2").