docs: private boolean isProductMatchingSearchCriteria(Product product, String searchQueryText) {
      String words[] = searchQueryText.split(" ");
      for (String w : words) {
        if (product.getName().contains(w)) return true;
        if (product.getDescription().contains(w)) return true;
        if (product.getCategory().contains(w)) return true;
      }
      return false;
    }