Try an advanced search:
Use AND to search multiple words or topics; use OR to search either word or topic; use NOT to exclude a word from your search
You may find that there is a lot of information out there about religion and scandals. If you want information that specifically forcuses on the play, be sure to include the following terms:
"Doubt: A Parable" OR "Doubt"
"John Patrick Shanley" OR "Shanley, John Patrick" (depending on the database)
If you are writing about a theme, conduct a search using those words. For example:
doubt AND faith
Or, use keywords, such as: