private ScoreDoc[] Search()
{
// create PhraseQuery "term1 term2" and search
PhraseQuery pq = new PhraseQuery();
pq.Add(new Term(this.field, this.term1));
pq.Add(new Term(this.field, this.term2));
return this.searcher.Search(pq, null, 1000).ScoreDocs;
}