Full-text search for selected `term` using BM25 algorithm.

def search_bm25f(cls, term, weights=None, with_score=False,
                     score_alias='score', explicit_ordering=False):
        """Full-text search for selected `term` using BM25 algorithm."""
        return cls._search(
            term,
            weights,
            with_score,
            score_alias,
            cls.bm25f,
            explicit_ordering)