Perhaps you should try some spelling variations:
"occasional prayers; occasional letter" » "occasional poems; occasional letter", "occasional prayers; occasional notes"
"occasional writer; occasional letter" » "occasional notes; occasional letter", "occasions written; occasional letter", "occasional writer; occasional notes"
"occasional verses; occasional verse" » "occasional sermons; occasional verse", "occasional letters; occasional verse", "occasional notes; occasional verse"

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 writer; occasional letter") OR ("occasional verses; occasional verse"))) OR ("occasional prayers; occasional letter"))*.
• Removing quotes may allow a broader search: (((( occasional writer; occasional letter ) or ( occasional verses; occasional verse ))) or ( occasional prayers; occasional letter ))*.