static L<S> scoredSearch(S query, Collection<S> data) {
  new Map<S, Int> scores;
  for (S s : data) {
    int score = 0;
    if (swic(s, query)) score += 2;
    else if (containsIgnoreCase(s, query)) ++score;
    if (score != 0)
      scores.put(s, score);
  }
  ret keysSortedByValueDesc(score);
}