How to find phrases in PDF document

The steps for finding terms or phrases in a PDF document collection with the Search feature are as follows:

1. Choose Edit➪Search, or press Ctrl+Shift+F (Ô+Shift+F on the Mac) to open the Search PDF pane. The Search PDF pane opens.
2. Click the Use Advanced Search Options link at the bottom of the Search PDF pane and from the Look In drop-down list, choose Select Index.
3. If the index you want to use is not listed in the Available Indexes list box, click the Add button, open the folder with the PDF document collection you want to search, click the index file icon, and then click the Open button. The Select Index dialog box closes, and you return to the Index Selection dialog box.
4. Select the index you want to use for your search; deselect any index(es) you don’t want to use for your search. After you have selected only the index(es) you want to use in the search, click OK. The Index Selection dialog box closes, and you return to the Search PDF pane.
5. Enter the search term(s) or phrase in the What Word or Phrase Would You Like to Search For? text box. Remember that you can use wildcard characters for characters of which you’re uncertain in the search term or phrase.
6. Choose a search criterion (Match Exact Word or Phrase, Match Any of the Words, Match All of the Words, or Boolean Query) in the Return Results Containing drop-down list.
7. Select any of the search options (Whole Words Only, Case Sensitive, Proximity, Stemming, Search in Bookmarks, and Search in Comments) that you want to apply.
8. Click the Search button to have Acrobat search the designated index or indexes. The results are displayed in the Search Results dialog box.