Perhaps you should try some spelling variations:
occasional prayerss » occasional prayer, occasional papers, occasional preachers
occasional proverbs » occasional drivers, occasional poems, occasional papers
occasional prayers » occasional poems
occasional letters » occasional letter, occasional notes, occasional papers
occasional writer » occasional notes, occasions written

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (((( occasional prayerss, occasional prayers ) OR ( occasional proverbs, occasional prayers ))) OR ( occasional letters, occasional writer )).
• Adding a wildcard symbol may retrieve word variants: (((( occasional prayerss, occasional prayers ) or ( occasional proverbs, occasional prayers ))) or ( occasional letters, occasional writer ))*.